Home / 713,471.86-1,070,318.36-240,120.28

Finding the Fourth Proportional to 713,471.86, 1,070,318.36 and 240,120.28

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Solution

The fourth proportional to 713,471.86, 1,070,318.36 and 240,120.28 is: 360,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,471.86 : 1,070,318.36 = 240,120.28 : x
  2. Step 2: Convert to fraction form
    713,471.86/1,070,318.36 = 240,120.28/x
  3. Step 3: Cross multiply
    713,471.86x = 1,070,318.36 × 240,120.28
  4. Step 4: Simplify right side
    713,471.86x = 257,005,144,292.34
  5. Step 5: Solve for x
    x = 257,005,144,292.34/713,471.86
  6. Step 6: Final answer
    x = 360,217.63

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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.