Home / 739,095.60-1,109,080.80-487,104.60

Finding the Fourth Proportional to 739,095.60, 1,109,080.80 and 487,104.60

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Solution

The fourth proportional to 739,095.60, 1,109,080.80 and 487,104.60 is: 730,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,095.60 : 1,109,080.80 = 487,104.60 : x
  2. Step 2: Convert to fraction form
    739,095.60/1,109,080.80 = 487,104.60/x
  3. Step 3: Cross multiply
    739,095.60x = 1,109,080.80 × 487,104.60
  4. Step 4: Simplify right side
    739,095.60x = 540,238,359,451.68
  5. Step 5: Solve for x
    x = 540,238,359,451.68/739,095.60
  6. Step 6: Final answer
    x = 730,945.17

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1.5x scale

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.