Home / 971,319.96-1,340,428.77-541,627.92

Finding the Fourth Proportional to 971,319.96, 1,340,428.77 and 541,627.92

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Solution

The fourth proportional to 971,319.96, 1,340,428.77 and 541,627.92 is: 747,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,319.96 : 1,340,428.77 = 541,627.92 : x
  2. Step 2: Convert to fraction form
    971,319.96/1,340,428.77 = 541,627.92/x
  3. Step 3: Cross multiply
    971,319.96x = 1,340,428.77 × 541,627.92
  4. Step 4: Simplify right side
    971,319.96x = 726,013,646,603.26
  5. Step 5: Solve for x
    x = 726,013,646,603.26/971,319.96
  6. Step 6: Final answer
    x = 747,450.56

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1.5x scale

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.