Home / 758,959.62-1,047,263.07-487,395.36

Finding the Fourth Proportional to 758,959.62, 1,047,263.07 and 487,395.36

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Solution

The fourth proportional to 758,959.62, 1,047,263.07 and 487,395.36 is: 672,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,959.62 : 1,047,263.07 = 487,395.36 : x
  2. Step 2: Convert to fraction form
    758,959.62/1,047,263.07 = 487,395.36/x
  3. Step 3: Cross multiply
    758,959.62x = 1,047,263.07 × 487,395.36
  4. Step 4: Simplify right side
    758,959.62x = 510,431,161,017.36
  5. Step 5: Solve for x
    x = 510,431,161,017.36/758,959.62
  6. Step 6: Final answer
    x = 672,540.60

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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.