Home / 817,000.56-1,127,424.42-472,781.34

Finding the Fourth Proportional to 817,000.56, 1,127,424.42 and 472,781.34

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Solution

The fourth proportional to 817,000.56, 1,127,424.42 and 472,781.34 is: 652,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,000.56 : 1,127,424.42 = 472,781.34 : x
  2. Step 2: Convert to fraction form
    817,000.56/1,127,424.42 = 472,781.34/x
  3. Step 3: Cross multiply
    817,000.56x = 1,127,424.42 × 472,781.34
  4. Step 4: Simplify right side
    817,000.56x = 533,025,228,036.32
  5. Step 5: Solve for x
    x = 533,025,228,036.32/817,000.56
  6. Step 6: Final answer
    x = 652,417.21

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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.