Home / 739,966.11-1,109,957.54-260,208.17

Finding the Fourth Proportional to 739,966.11, 1,109,957.54 and 260,208.17

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Solution

The fourth proportional to 739,966.11, 1,109,957.54 and 260,208.17 is: 390,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,966.11 : 1,109,957.54 = 260,208.17 : x
  2. Step 2: Convert to fraction form
    739,966.11/1,109,957.54 = 260,208.17/x
  3. Step 3: Cross multiply
    739,966.11x = 1,109,957.54 × 260,208.17
  4. Step 4: Simplify right side
    739,966.11x = 288,820,013,410.27
  5. Step 5: Solve for x
    x = 288,820,013,410.27/739,966.11
  6. Step 6: Final answer
    x = 390,315.19

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Double scale
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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.