Home / 558,341.24-770,440.98-377,446.76

Finding the Fourth Proportional to 558,341.24, 770,440.98 and 377,446.76

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Solution

The fourth proportional to 558,341.24, 770,440.98 and 377,446.76 is: 520,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,341.24 : 770,440.98 = 377,446.76 : x
  2. Step 2: Convert to fraction form
    558,341.24/770,440.98 = 377,446.76/x
  3. Step 3: Cross multiply
    558,341.24x = 770,440.98 × 377,446.76
  4. Step 4: Simplify right side
    558,341.24x = 290,800,451,672.23
  5. Step 5: Solve for x
    x = 290,800,451,672.23/558,341.24
  6. Step 6: Final answer
    x = 520,829.25

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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.