Home / 849,487.68-1,172,123.05-487,025.23

Finding the Fourth Proportional to 849,487.68, 1,172,123.05 and 487,025.23

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Solution

The fourth proportional to 849,487.68, 1,172,123.05 and 487,025.23 is: 671,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,487.68 : 1,172,123.05 = 487,025.23 : x
  2. Step 2: Convert to fraction form
    849,487.68/1,172,123.05 = 487,025.23/x
  3. Step 3: Cross multiply
    849,487.68x = 1,172,123.05 × 487,025.23
  4. Step 4: Simplify right side
    849,487.68x = 570,853,498,014.55
  5. Step 5: Solve for x
    x = 570,853,498,014.55/849,487.68
  6. Step 6: Final answer
    x = 671,997.38

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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.