Home / 712,126.60-1,068,794.70-291,704.20

Finding the Fourth Proportional to 712,126.60, 1,068,794.70 and 291,704.20

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Solution

The fourth proportional to 712,126.60, 1,068,794.70 and 291,704.20 is: 437,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,126.60 : 1,068,794.70 = 291,704.20 : x
  2. Step 2: Convert to fraction form
    712,126.60/1,068,794.70 = 291,704.20/x
  3. Step 3: Cross multiply
    712,126.60x = 1,068,794.70 × 291,704.20
  4. Step 4: Simplify right side
    712,126.60x = 311,771,902,927.74
  5. Step 5: Solve for x
    x = 311,771,902,927.74/712,126.60
  6. Step 6: Final answer
    x = 437,804.04

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Double scale
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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.