Home / 788,017.92-1,087,459.20-430,321.92

Finding the Fourth Proportional to 788,017.92, 1,087,459.20 and 430,321.92

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Solution

The fourth proportional to 788,017.92, 1,087,459.20 and 430,321.92 is: 593,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,017.92 : 1,087,459.20 = 430,321.92 : x
  2. Step 2: Convert to fraction form
    788,017.92/1,087,459.20 = 430,321.92/x
  3. Step 3: Cross multiply
    788,017.92x = 1,087,459.20 × 430,321.92
  4. Step 4: Simplify right side
    788,017.92x = 467,957,530,865.66
  5. Step 5: Solve for x
    x = 467,957,530,865.66/788,017.92
  6. Step 6: Final answer
    x = 593,841.23

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1.5x scale

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.