Home / 912,038.43-1,258,613.31-498,577.01

Finding the Fourth Proportional to 912,038.43, 1,258,613.31 and 498,577.01

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Solution

The fourth proportional to 912,038.43, 1,258,613.31 and 498,577.01 is: 688,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,038.43 : 1,258,613.31 = 498,577.01 : x
  2. Step 2: Convert to fraction form
    912,038.43/1,258,613.31 = 498,577.01/x
  3. Step 3: Cross multiply
    912,038.43x = 1,258,613.31 × 498,577.01
  4. Step 4: Simplify right side
    912,038.43x = 627,515,654,552.94
  5. Step 5: Solve for x
    x = 627,515,654,552.94/912,038.43
  6. Step 6: Final answer
    x = 688,036.42

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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.