Home / 739,607.73-1,020,674.60-408,462.63

Finding the Fourth Proportional to 739,607.73, 1,020,674.60 and 408,462.63

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Solution

The fourth proportional to 739,607.73, 1,020,674.60 and 408,462.63 is: 563,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,607.73 : 1,020,674.60 = 408,462.63 : x
  2. Step 2: Convert to fraction form
    739,607.73/1,020,674.60 = 408,462.63/x
  3. Step 3: Cross multiply
    739,607.73x = 1,020,674.60 × 408,462.63
  4. Step 4: Simplify right side
    739,607.73x = 416,907,431,490.20
  5. Step 5: Solve for x
    x = 416,907,431,490.20/739,607.73
  6. Step 6: Final answer
    x = 563,687.23

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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.