Home / 558,340.24-770,439.60-377,445.76

Finding the Fourth Proportional to 558,340.24, 770,439.60 and 377,445.76

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Solution

The fourth proportional to 558,340.24, 770,439.60 and 377,445.76 is: 520,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,340.24 : 770,439.60 = 377,445.76 : x
  2. Step 2: Convert to fraction form
    558,340.24/770,439.60 = 377,445.76/x
  3. Step 3: Cross multiply
    558,340.24x = 770,439.60 × 377,445.76
  4. Step 4: Simplify right side
    558,340.24x = 290,799,160,356.10
  5. Step 5: Solve for x
    x = 290,799,160,356.10/558,340.24
  6. Step 6: Final answer
    x = 520,827.87

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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.