Home / 739,280.57-1,020,218.94-416,997.08

Finding the Fourth Proportional to 739,280.57, 1,020,218.94 and 416,997.08

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Solution

The fourth proportional to 739,280.57, 1,020,218.94 and 416,997.08 is: 575,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,280.57 : 1,020,218.94 = 416,997.08 : x
  2. Step 2: Convert to fraction form
    739,280.57/1,020,218.94 = 416,997.08/x
  3. Step 3: Cross multiply
    739,280.57x = 1,020,218.94 × 416,997.08
  4. Step 4: Simplify right side
    739,280.57x = 425,428,313,839.60
  5. Step 5: Solve for x
    x = 425,428,313,839.60/739,280.57
  6. Step 6: Final answer
    x = 575,462.60

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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.