Home / 803,493.88-1,205,992.50-424,695.76

Finding the Fourth Proportional to 803,493.88, 1,205,992.50 and 424,695.76

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Solution

The fourth proportional to 803,493.88, 1,205,992.50 and 424,695.76 is: 637,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,493.88 : 1,205,992.50 = 424,695.76 : x
  2. Step 2: Convert to fraction form
    803,493.88/1,205,992.50 = 424,695.76/x
  3. Step 3: Cross multiply
    803,493.88x = 1,205,992.50 × 424,695.76
  4. Step 4: Simplify right side
    803,493.88x = 512,179,901,341.80
  5. Step 5: Solve for x
    x = 512,179,901,341.80/803,493.88
  6. Step 6: Final answer
    x = 637,440.95

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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.