Home / 558,858.76-769,755.96-429,549.95

Finding the Fourth Proportional to 558,858.76, 769,755.96 and 429,549.95

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Solution

The fourth proportional to 558,858.76, 769,755.96 and 429,549.95 is: 591,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,858.76 : 769,755.96 = 429,549.95 : x
  2. Step 2: Convert to fraction form
    558,858.76/769,755.96 = 429,549.95/x
  3. Step 3: Cross multiply
    558,858.76x = 769,755.96 × 429,549.95
  4. Step 4: Simplify right side
    558,858.76x = 330,648,636,054.59
  5. Step 5: Solve for x
    x = 330,648,636,054.59/558,858.76
  6. Step 6: Final answer
    x = 591,649.74

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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.