Home / 849,724.32-1,172,607.12-467,741.28

Finding the Fourth Proportional to 849,724.32, 1,172,607.12 and 467,741.28

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Solution

The fourth proportional to 849,724.32, 1,172,607.12 and 467,741.28 is: 645,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,724.32 : 1,172,607.12 = 467,741.28 : x
  2. Step 2: Convert to fraction form
    849,724.32/1,172,607.12 = 467,741.28/x
  3. Step 3: Cross multiply
    849,724.32x = 1,172,607.12 × 467,741.28
  4. Step 4: Simplify right side
    849,724.32x = 548,476,755,245.91
  5. Step 5: Solve for x
    x = 548,476,755,245.91/849,724.32
  6. Step 6: Final answer
    x = 645,476.12

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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.