Home / 486,160.06-730,837.28-451,045.65

Finding the Fourth Proportional to 486,160.06, 730,837.28 and 451,045.65

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Solution

The fourth proportional to 486,160.06, 730,837.28 and 451,045.65 is: 678,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,160.06 : 730,837.28 = 451,045.65 : x
  2. Step 2: Convert to fraction form
    486,160.06/730,837.28 = 451,045.65/x
  3. Step 3: Cross multiply
    486,160.06x = 730,837.28 × 451,045.65
  4. Step 4: Simplify right side
    486,160.06x = 329,640,976,001.83
  5. Step 5: Solve for x
    x = 329,640,976,001.83/486,160.06
  6. Step 6: Final answer
    x = 678,050.30

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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.