Home / 713,472.36-1,070,319.11-240,120.78

Finding the Fourth Proportional to 713,472.36, 1,070,319.11 and 240,120.78

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Solution

The fourth proportional to 713,472.36, 1,070,319.11 and 240,120.78 is: 360,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,472.36 : 1,070,319.11 = 240,120.78 : x
  2. Step 2: Convert to fraction form
    713,472.36/1,070,319.11 = 240,120.78/x
  3. Step 3: Cross multiply
    713,472.36x = 1,070,319.11 × 240,120.78
  4. Step 4: Simplify right side
    713,472.36x = 257,005,858,341.50
  5. Step 5: Solve for x
    x = 257,005,858,341.50/713,472.36
  6. Step 6: Final answer
    x = 360,218.38

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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.