Home / 771,434.10-1,156,972.95-291,713.22

Finding the Fourth Proportional to 771,434.10, 1,156,972.95 and 291,713.22

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Solution

The fourth proportional to 771,434.10, 1,156,972.95 and 291,713.22 is: 437,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,434.10 : 1,156,972.95 = 291,713.22 : x
  2. Step 2: Convert to fraction form
    771,434.10/1,156,972.95 = 291,713.22/x
  3. Step 3: Cross multiply
    771,434.10x = 1,156,972.95 × 291,713.22
  4. Step 4: Simplify right side
    771,434.10x = 337,504,304,697.40
  5. Step 5: Solve for x
    x = 337,504,304,697.40/771,434.10
  6. Step 6: Final answer
    x = 437,502.44

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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.