Home / 713,775.68-1,070,721.76-358,606.40

Finding the Fourth Proportional to 713,775.68, 1,070,721.76 and 358,606.40

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Solution

The fourth proportional to 713,775.68, 1,070,721.76 and 358,606.40 is: 537,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,775.68 : 1,070,721.76 = 358,606.40 : x
  2. Step 2: Convert to fraction form
    713,775.68/1,070,721.76 = 358,606.40/x
  3. Step 3: Cross multiply
    713,775.68x = 1,070,721.76 × 358,606.40
  4. Step 4: Simplify right side
    713,775.68x = 383,967,675,755.26
  5. Step 5: Solve for x
    x = 383,967,675,755.26/713,775.68
  6. Step 6: Final answer
    x = 537,938.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.