Home / 757,456.08-1,044,343.90-485,076.16

Finding the Fourth Proportional to 757,456.08, 1,044,343.90 and 485,076.16

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Solution

The fourth proportional to 757,456.08, 1,044,343.90 and 485,076.16 is: 668,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,456.08 : 1,044,343.90 = 485,076.16 : x
  2. Step 2: Convert to fraction form
    757,456.08/1,044,343.90 = 485,076.16/x
  3. Step 3: Cross multiply
    757,456.08x = 1,044,343.90 × 485,076.16
  4. Step 4: Simplify right side
    757,456.08x = 506,586,330,643.20
  5. Step 5: Solve for x
    x = 506,586,330,643.20/757,456.08
  6. Step 6: Final answer
    x = 668,799.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.