Home / 730,570.87-1,008,185.84-408,280.69

Finding the Fourth Proportional to 730,570.87, 1,008,185.84 and 408,280.69

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Solution

The fourth proportional to 730,570.87, 1,008,185.84 and 408,280.69 is: 563,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,570.87 : 1,008,185.84 = 408,280.69 : x
  2. Step 2: Convert to fraction form
    730,570.87/1,008,185.84 = 408,280.69/x
  3. Step 3: Cross multiply
    730,570.87x = 1,008,185.84 × 408,280.69
  4. Step 4: Simplify right side
    730,570.87x = 411,622,805,362.50
  5. Step 5: Solve for x
    x = 411,622,805,362.50/730,570.87
  6. Step 6: Final answer
    x = 563,426.25

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Double scale
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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.