Home / 855,123.40-1,180,052.10-467,937.28

Finding the Fourth Proportional to 855,123.40, 1,180,052.10 and 467,937.28

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Solution

The fourth proportional to 855,123.40, 1,180,052.10 and 467,937.28 is: 645,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,123.40 : 1,180,052.10 = 467,937.28 : x
  2. Step 2: Convert to fraction form
    855,123.40/1,180,052.10 = 467,937.28/x
  3. Step 3: Cross multiply
    855,123.40x = 1,180,052.10 × 467,937.28
  4. Step 4: Simplify right side
    855,123.40x = 552,190,369,932.29
  5. Step 5: Solve for x
    x = 552,190,369,932.29/855,123.40
  6. Step 6: Final answer
    x = 645,743.49

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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.