Home / 754,189.80-1,040,802.45-410,048.89

Finding the Fourth Proportional to 754,189.80, 1,040,802.45 and 410,048.89

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Solution

The fourth proportional to 754,189.80, 1,040,802.45 and 410,048.89 is: 565,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,189.80 : 1,040,802.45 = 410,048.89 : x
  2. Step 2: Convert to fraction form
    754,189.80/1,040,802.45 = 410,048.89/x
  3. Step 3: Cross multiply
    754,189.80x = 1,040,802.45 × 410,048.89
  4. Step 4: Simplify right side
    754,189.80x = 426,779,889,331.78
  5. Step 5: Solve for x
    x = 426,779,889,331.78/754,189.80
  6. Step 6: Final answer
    x = 565,878.63

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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.