Home / 771,560.64-1,156,238.12-433,892.48

Finding the Fourth Proportional to 771,560.64, 1,156,238.12 and 433,892.48

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Solution

The fourth proportional to 771,560.64, 1,156,238.12 and 433,892.48 is: 650,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,560.64 : 1,156,238.12 = 433,892.48 : x
  2. Step 2: Convert to fraction form
    771,560.64/1,156,238.12 = 433,892.48/x
  3. Step 3: Cross multiply
    771,560.64x = 1,156,238.12 × 433,892.48
  4. Step 4: Simplify right side
    771,560.64x = 501,683,025,357.34
  5. Step 5: Solve for x
    x = 501,683,025,357.34/771,560.64
  6. Step 6: Final answer
    x = 650,218.53

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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.