Home / 762,470.27-1,143,373.18-256,937.03

Finding the Fourth Proportional to 762,470.27, 1,143,373.18 and 256,937.03

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Solution

The fourth proportional to 762,470.27, 1,143,373.18 and 256,937.03 is: 385,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,470.27 : 1,143,373.18 = 256,937.03 : x
  2. Step 2: Convert to fraction form
    762,470.27/1,143,373.18 = 256,937.03/x
  3. Step 3: Cross multiply
    762,470.27x = 1,143,373.18 × 256,937.03
  4. Step 4: Simplify right side
    762,470.27x = 293,774,909,050.86
  5. Step 5: Solve for x
    x = 293,774,909,050.86/762,470.27
  6. Step 6: Final answer
    x = 385,293.59

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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.