Home / 678,151.80-1,017,397.80-299,144.70

Finding the Fourth Proportional to 678,151.80, 1,017,397.80 and 299,144.70

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Solution

The fourth proportional to 678,151.80, 1,017,397.80 and 299,144.70 is: 448,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,151.80 : 1,017,397.80 = 299,144.70 : x
  2. Step 2: Convert to fraction form
    678,151.80/1,017,397.80 = 299,144.70/x
  3. Step 3: Cross multiply
    678,151.80x = 1,017,397.80 × 299,144.70
  4. Step 4: Simplify right side
    678,151.80x = 304,349,159,661.66
  5. Step 5: Solve for x
    x = 304,349,159,661.66/678,151.80
  6. Step 6: Final answer
    x = 448,792.08

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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.