Home / 558,327.24-770,421.66-377,432.76

Finding the Fourth Proportional to 558,327.24, 770,421.66 and 377,432.76

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Solution

The fourth proportional to 558,327.24, 770,421.66 and 377,432.76 is: 520,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,327.24 : 770,421.66 = 377,432.76 : x
  2. Step 2: Convert to fraction form
    558,327.24/770,421.66 = 377,432.76/x
  3. Step 3: Cross multiply
    558,327.24x = 770,421.66 × 377,432.76
  4. Step 4: Simplify right side
    558,327.24x = 290,782,373,497.58
  5. Step 5: Solve for x
    x = 290,782,373,497.58/558,327.24
  6. Step 6: Final answer
    x = 520,809.93

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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.