Home / 731,392.32-1,009,329.12-429,591.36

Finding the Fourth Proportional to 731,392.32, 1,009,329.12 and 429,591.36

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Solution

The fourth proportional to 731,392.32, 1,009,329.12 and 429,591.36 is: 592,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,392.32 : 1,009,329.12 = 429,591.36 : x
  2. Step 2: Convert to fraction form
    731,392.32/1,009,329.12 = 429,591.36/x
  3. Step 3: Cross multiply
    731,392.32x = 1,009,329.12 × 429,591.36
  4. Step 4: Simplify right side
    731,392.32x = 433,599,069,348.40
  5. Step 5: Solve for x
    x = 433,599,069,348.40/731,392.32
  6. Step 6: Final answer
    x = 592,840.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.