Home / 900,083.34-1,350,789.39-426,770.46

Finding the Fourth Proportional to 900,083.34, 1,350,789.39 and 426,770.46

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Solution

The fourth proportional to 900,083.34, 1,350,789.39 and 426,770.46 is: 640,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,083.34 : 1,350,789.39 = 426,770.46 : x
  2. Step 2: Convert to fraction form
    900,083.34/1,350,789.39 = 426,770.46/x
  3. Step 3: Cross multiply
    900,083.34x = 1,350,789.39 × 426,770.46
  4. Step 4: Simplify right side
    900,083.34x = 576,477,009,333.42
  5. Step 5: Solve for x
    x = 576,477,009,333.42/900,083.34
  6. Step 6: Final answer
    x = 640,470.70

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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.