Home / 671,407.20-926,583.90-369,601.20

Finding the Fourth Proportional to 671,407.20, 926,583.90 and 369,601.20

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Solution

The fourth proportional to 671,407.20, 926,583.90 and 369,601.20 is: 510,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,407.20 : 926,583.90 = 369,601.20 : x
  2. Step 2: Convert to fraction form
    671,407.20/926,583.90 = 369,601.20/x
  3. Step 3: Cross multiply
    671,407.20x = 926,583.90 × 369,601.20
  4. Step 4: Simplify right side
    671,407.20x = 342,466,521,340.68
  5. Step 5: Solve for x
    x = 342,466,521,340.68/671,407.20
  6. Step 6: Final answer
    x = 510,072.76

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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.