Home / 942,318.52-1,413,178.26-311,114.68

Finding the Fourth Proportional to 942,318.52, 1,413,178.26 and 311,114.68

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Solution

The fourth proportional to 942,318.52, 1,413,178.26 and 311,114.68 is: 466,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,318.52 : 1,413,178.26 = 311,114.68 : x
  2. Step 2: Convert to fraction form
    942,318.52/1,413,178.26 = 311,114.68/x
  3. Step 3: Cross multiply
    942,318.52x = 1,413,178.26 × 311,114.68
  4. Step 4: Simplify right side
    942,318.52x = 439,660,502,142.86
  5. Step 5: Solve for x
    x = 439,660,502,142.86/942,318.52
  6. Step 6: Final answer
    x = 466,573.13

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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.