Home / 817,443.78-1,127,433.38-531,056.13

Finding the Fourth Proportional to 817,443.78, 1,127,433.38 and 531,056.13

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Solution

The fourth proportional to 817,443.78, 1,127,433.38 and 531,056.13 is: 732,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,443.78 : 1,127,433.38 = 531,056.13 : x
  2. Step 2: Convert to fraction form
    817,443.78/1,127,433.38 = 531,056.13/x
  3. Step 3: Cross multiply
    817,443.78x = 1,127,433.38 × 531,056.13
  4. Step 4: Simplify right side
    817,443.78x = 598,730,404,960.34
  5. Step 5: Solve for x
    x = 598,730,404,960.34/817,443.78
  6. Step 6: Final answer
    x = 732,442.30

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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.