Home / 712,164.60-1,068,851.70-291,742.20

Finding the Fourth Proportional to 712,164.60, 1,068,851.70 and 291,742.20

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Solution

The fourth proportional to 712,164.60, 1,068,851.70 and 291,742.20 is: 437,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,164.60 : 1,068,851.70 = 291,742.20 : x
  2. Step 2: Convert to fraction form
    712,164.60/1,068,851.70 = 291,742.20/x
  3. Step 3: Cross multiply
    712,164.60x = 1,068,851.70 × 291,742.20
  4. Step 4: Simplify right side
    712,164.60x = 311,829,146,431.74
  5. Step 5: Solve for x
    x = 311,829,146,431.74/712,164.60
  6. Step 6: Final answer
    x = 437,861.06

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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.