Home / 997,840.35-1,497,826.17-429,502.95

Finding the Fourth Proportional to 997,840.35, 1,497,826.17 and 429,502.95

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Solution

The fourth proportional to 997,840.35, 1,497,826.17 and 429,502.95 is: 644,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,840.35 : 1,497,826.17 = 429,502.95 : x
  2. Step 2: Convert to fraction form
    997,840.35/1,497,826.17 = 429,502.95/x
  3. Step 3: Cross multiply
    997,840.35x = 1,497,826.17 × 429,502.95
  4. Step 4: Simplify right side
    997,840.35x = 643,320,758,602.20
  5. Step 5: Solve for x
    x = 643,320,758,602.20/997,840.35
  6. Step 6: Final answer
    x = 644,713.11

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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.