Home / 929,330.48-1,393,434.90-416,902.21

Finding the Fourth Proportional to 929,330.48, 1,393,434.90 and 416,902.21

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Solution

The fourth proportional to 929,330.48, 1,393,434.90 and 416,902.21 is: 625,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,330.48 : 1,393,434.90 = 416,902.21 : x
  2. Step 2: Convert to fraction form
    929,330.48/1,393,434.90 = 416,902.21/x
  3. Step 3: Cross multiply
    929,330.48x = 1,393,434.90 × 416,902.21
  4. Step 4: Simplify right side
    929,330.48x = 580,926,085,817.54
  5. Step 5: Solve for x
    x = 580,926,085,817.54/929,330.48
  6. Step 6: Final answer
    x = 625,101.72

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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.