Home / 955,353.20-1,318,407.84-525,634.58

Finding the Fourth Proportional to 955,353.20, 1,318,407.84 and 525,634.58

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Solution

The fourth proportional to 955,353.20, 1,318,407.84 and 525,634.58 is: 725,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,353.20 : 1,318,407.84 = 525,634.58 : x
  2. Step 2: Convert to fraction form
    955,353.20/1,318,407.84 = 525,634.58/x
  3. Step 3: Cross multiply
    955,353.20x = 1,318,407.84 × 525,634.58
  4. Step 4: Simplify right side
    955,353.20x = 693,000,751,247.11
  5. Step 5: Solve for x
    x = 693,000,751,247.11/955,353.20
  6. Step 6: Final answer
    x = 725,386.96

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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.