Home / 712,126.10-1,068,793.95-291,703.70

Finding the Fourth Proportional to 712,126.10, 1,068,793.95 and 291,703.70

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Solution

The fourth proportional to 712,126.10, 1,068,793.95 and 291,703.70 is: 437,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,126.10 : 1,068,793.95 = 291,703.70 : x
  2. Step 2: Convert to fraction form
    712,126.10/1,068,793.95 = 291,703.70/x
  3. Step 3: Cross multiply
    712,126.10x = 1,068,793.95 × 291,703.70
  4. Step 4: Simplify right side
    712,126.10x = 311,771,149,752.62
  5. Step 5: Solve for x
    x = 311,771,149,752.62/712,126.10
  6. Step 6: Final answer
    x = 437,803.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.