Home / 756,112.80-1,133,002.80-655,802.40

Finding the Fourth Proportional to 756,112.80, 1,133,002.80 and 655,802.40

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Solution

The fourth proportional to 756,112.80, 1,133,002.80 and 655,802.40 is: 982,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,112.80 : 1,133,002.80 = 655,802.40 : x
  2. Step 2: Convert to fraction form
    756,112.80/1,133,002.80 = 655,802.40/x
  3. Step 3: Cross multiply
    756,112.80x = 1,133,002.80 × 655,802.40
  4. Step 4: Simplify right side
    756,112.80x = 743,025,955,446.72
  5. Step 5: Solve for x
    x = 743,025,955,446.72/756,112.80
  6. Step 6: Final answer
    x = 982,691.94

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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.