Home / 977,132.15-1,348,409.75-541,530.96

Finding the Fourth Proportional to 977,132.15, 1,348,409.75 and 541,530.96

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Solution

The fourth proportional to 977,132.15, 1,348,409.75 and 541,530.96 is: 747,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,132.15 : 1,348,409.75 = 541,530.96 : x
  2. Step 2: Convert to fraction form
    977,132.15/1,348,409.75 = 541,530.96/x
  3. Step 3: Cross multiply
    977,132.15x = 1,348,409.75 × 541,530.96
  4. Step 4: Simplify right side
    977,132.15x = 730,205,627,744.69
  5. Step 5: Solve for x
    x = 730,205,627,744.69/977,132.15
  6. Step 6: Final answer
    x = 747,294.65

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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.