Home / 771,434.60-1,156,973.70-291,713.72

Finding the Fourth Proportional to 771,434.60, 1,156,973.70 and 291,713.72

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Solution

The fourth proportional to 771,434.60, 1,156,973.70 and 291,713.72 is: 437,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,434.60 : 1,156,973.70 = 291,713.72 : x
  2. Step 2: Convert to fraction form
    771,434.60/1,156,973.70 = 291,713.72/x
  3. Step 3: Cross multiply
    771,434.60x = 1,156,973.70 × 291,713.72
  4. Step 4: Simplify right side
    771,434.60x = 337,505,101,969.16
  5. Step 5: Solve for x
    x = 337,505,101,969.16/771,434.60
  6. Step 6: Final answer
    x = 437,503.19

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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.