Home / 329,400.18-452,826.95-283,291.20

Finding the Fourth Proportional to 329,400.18, 452,826.95 and 283,291.20

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Solution

The fourth proportional to 329,400.18, 452,826.95 and 283,291.20 is: 389,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,400.18 : 452,826.95 = 283,291.20 : x
  2. Step 2: Convert to fraction form
    329,400.18/452,826.95 = 283,291.20/x
  3. Step 3: Cross multiply
    329,400.18x = 452,826.95 × 283,291.20
  4. Step 4: Simplify right side
    329,400.18x = 128,281,888,641.38
  5. Step 5: Solve for x
    x = 128,281,888,641.38/329,400.18
  6. Step 6: Final answer
    x = 389,440.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.