Home / 709,256.90-1,057,638.82-702,859.92

Finding the Fourth Proportional to 709,256.90, 1,057,638.82 and 702,859.92

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Solution

The fourth proportional to 709,256.90, 1,057,638.82 and 702,859.92 is: 1,048,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,256.90 : 1,057,638.82 = 702,859.92 : x
  2. Step 2: Convert to fraction form
    709,256.90/1,057,638.82 = 702,859.92/x
  3. Step 3: Cross multiply
    709,256.90x = 1,057,638.82 × 702,859.92
  4. Step 4: Simplify right side
    709,256.90x = 743,371,935,543.89
  5. Step 5: Solve for x
    x = 743,371,935,543.89/709,256.90
  6. Step 6: Final answer
    x = 1,048,099.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.