Home / 787,743.72-1,182,001.14-488,144.16

Finding the Fourth Proportional to 787,743.72, 1,182,001.14 and 488,144.16

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Solution

The fourth proportional to 787,743.72, 1,182,001.14 and 488,144.16 is: 732,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,743.72 : 1,182,001.14 = 488,144.16 : x
  2. Step 2: Convert to fraction form
    787,743.72/1,182,001.14 = 488,144.16/x
  3. Step 3: Cross multiply
    787,743.72x = 1,182,001.14 × 488,144.16
  4. Step 4: Simplify right side
    787,743.72x = 576,986,953,604.34
  5. Step 5: Solve for x
    x = 576,986,953,604.34/787,743.72
  6. Step 6: Final answer
    x = 732,455.16

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1.5x scale

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.