Home / 661,547.34-913,113.78-432,099.75

Finding the Fourth Proportional to 661,547.34, 913,113.78 and 432,099.75

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Solution

The fourth proportional to 661,547.34, 913,113.78 and 432,099.75 is: 596,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,547.34 : 913,113.78 = 432,099.75 : x
  2. Step 2: Convert to fraction form
    661,547.34/913,113.78 = 432,099.75/x
  3. Step 3: Cross multiply
    661,547.34x = 913,113.78 × 432,099.75
  4. Step 4: Simplify right side
    661,547.34x = 394,556,236,059.56
  5. Step 5: Solve for x
    x = 394,556,236,059.56/661,547.34
  6. Step 6: Final answer
    x = 596,414.21

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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.