Home / 731,203.40-1,009,053.60-408,909.80

Finding the Fourth Proportional to 731,203.40, 1,009,053.60 and 408,909.80

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Solution

The fourth proportional to 731,203.40, 1,009,053.60 and 408,909.80 is: 564,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,203.40 : 1,009,053.60 = 408,909.80 : x
  2. Step 2: Convert to fraction form
    731,203.40/1,009,053.60 = 408,909.80/x
  3. Step 3: Cross multiply
    731,203.40x = 1,009,053.60 × 408,909.80
  4. Step 4: Simplify right side
    731,203.40x = 412,611,905,765.28
  5. Step 5: Solve for x
    x = 412,611,905,765.28/731,203.40
  6. Step 6: Final answer
    x = 564,291.56

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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.