Home / 897,155.77-1,238,170.99-548,500.76

Finding the Fourth Proportional to 897,155.77, 1,238,170.99 and 548,500.76

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Solution

The fourth proportional to 897,155.77, 1,238,170.99 and 548,500.76 is: 756,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,155.77 : 1,238,170.99 = 548,500.76 : x
  2. Step 2: Convert to fraction form
    897,155.77/1,238,170.99 = 548,500.76/x
  3. Step 3: Cross multiply
    897,155.77x = 1,238,170.99 × 548,500.76
  4. Step 4: Simplify right side
    897,155.77x = 679,137,721,462.85
  5. Step 5: Solve for x
    x = 679,137,721,462.85/897,155.77
  6. Step 6: Final answer
    x = 756,989.75

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Double scale
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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.