Home / 755,775.65-1,042,922.55-416,243.90

Finding the Fourth Proportional to 755,775.65, 1,042,922.55 and 416,243.90

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Solution

The fourth proportional to 755,775.65, 1,042,922.55 and 416,243.90 is: 574,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,775.65 : 1,042,922.55 = 416,243.90 : x
  2. Step 2: Convert to fraction form
    755,775.65/1,042,922.55 = 416,243.90/x
  3. Step 3: Cross multiply
    755,775.65x = 1,042,922.55 × 416,243.90
  4. Step 4: Simplify right side
    755,775.65x = 434,110,153,778.17
  5. Step 5: Solve for x
    x = 434,110,153,778.17/755,775.65
  6. Step 6: Final answer
    x = 574,390.23

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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.