Home / 725,938.40-1,087,741.20-606,965.60

Finding the Fourth Proportional to 725,938.40, 1,087,741.20 and 606,965.60

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Solution

The fourth proportional to 725,938.40, 1,087,741.20 and 606,965.60 is: 909,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,938.40 : 1,087,741.20 = 606,965.60 : x
  2. Step 2: Convert to fraction form
    725,938.40/1,087,741.20 = 606,965.60/x
  3. Step 3: Cross multiply
    725,938.40x = 1,087,741.20 × 606,965.60
  4. Step 4: Simplify right side
    725,938.40x = 660,221,490,102.72
  5. Step 5: Solve for x
    x = 660,221,490,102.72/725,938.40
  6. Step 6: Final answer
    x = 909,473.16

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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.