Home / 379,026.27-522,433.13-268,681.86

Finding the Fourth Proportional to 379,026.27, 522,433.13 and 268,681.86

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Solution

The fourth proportional to 379,026.27, 522,433.13 and 268,681.86 is: 370,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,026.27 : 522,433.13 = 268,681.86 : x
  2. Step 2: Convert to fraction form
    379,026.27/522,433.13 = 268,681.86/x
  3. Step 3: Cross multiply
    379,026.27x = 522,433.13 × 268,681.86
  4. Step 4: Simplify right side
    379,026.27x = 140,368,303,750.61
  5. Step 5: Solve for x
    x = 140,368,303,750.61/379,026.27
  6. Step 6: Final answer
    x = 370,339.25

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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.