Home / 787,745.76-1,182,004.16-488,146.16

Finding the Fourth Proportional to 787,745.76, 1,182,004.16 and 488,146.16

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Solution

The fourth proportional to 787,745.76, 1,182,004.16 and 488,146.16 is: 732,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,745.76 : 1,182,004.16 = 488,146.16 : x
  2. Step 2: Convert to fraction form
    787,745.76/1,182,004.16 = 488,146.16/x
  3. Step 3: Cross multiply
    787,745.76x = 1,182,004.16 × 488,146.16
  4. Step 4: Simplify right side
    787,745.76x = 576,990,791,808.03
  5. Step 5: Solve for x
    x = 576,990,791,808.03/787,745.76
  6. Step 6: Final answer
    x = 732,458.14

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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.