Home / 730,570.37-1,008,185.15-408,280.19

Finding the Fourth Proportional to 730,570.37, 1,008,185.15 and 408,280.19

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Solution

The fourth proportional to 730,570.37, 1,008,185.15 and 408,280.19 is: 563,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,570.37 : 1,008,185.15 = 408,280.19 : x
  2. Step 2: Convert to fraction form
    730,570.37/1,008,185.15 = 408,280.19/x
  3. Step 3: Cross multiply
    730,570.37x = 1,008,185.15 × 408,280.19
  4. Step 4: Simplify right side
    730,570.37x = 411,622,020,576.95
  5. Step 5: Solve for x
    x = 411,622,020,576.95/730,570.37
  6. Step 6: Final answer
    x = 563,425.56

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.