Home / 887,598.52-1,224,891.56-479,699.40

Finding the Fourth Proportional to 887,598.52, 1,224,891.56 and 479,699.40

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Solution

The fourth proportional to 887,598.52, 1,224,891.56 and 479,699.40 is: 661,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,598.52 : 1,224,891.56 = 479,699.40 : x
  2. Step 2: Convert to fraction form
    887,598.52/1,224,891.56 = 479,699.40/x
  3. Step 3: Cross multiply
    887,598.52x = 1,224,891.56 × 479,699.40
  4. Step 4: Simplify right side
    887,598.52x = 587,579,747,596.31
  5. Step 5: Solve for x
    x = 587,579,747,596.31/887,598.52
  6. Step 6: Final answer
    x = 661,988.20

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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.