Home / 767,393.90-1,149,987.35-527,778.36

Finding the Fourth Proportional to 767,393.90, 1,149,987.35 and 527,778.36

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Solution

The fourth proportional to 767,393.90, 1,149,987.35 and 527,778.36 is: 790,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,393.90 : 1,149,987.35 = 527,778.36 : x
  2. Step 2: Convert to fraction form
    767,393.90/1,149,987.35 = 527,778.36/x
  3. Step 3: Cross multiply
    767,393.90x = 1,149,987.35 × 527,778.36
  4. Step 4: Simplify right side
    767,393.90x = 606,938,438,923.19
  5. Step 5: Solve for x
    x = 606,938,438,923.19/767,393.90
  6. Step 6: Final answer
    x = 790,908.60

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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.