Home / 670,488.78-1,005,730.56-271,124.76

Finding the Fourth Proportional to 670,488.78, 1,005,730.56 and 271,124.76

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Solution

The fourth proportional to 670,488.78, 1,005,730.56 and 271,124.76 is: 406,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,488.78 : 1,005,730.56 = 271,124.76 : x
  2. Step 2: Convert to fraction form
    670,488.78/1,005,730.56 = 271,124.76/x
  3. Step 3: Cross multiply
    670,488.78x = 1,005,730.56 × 271,124.76
  4. Step 4: Simplify right side
    670,488.78x = 272,678,456,704.67
  5. Step 5: Solve for x
    x = 272,678,456,704.67/670,488.78
  6. Step 6: Final answer
    x = 406,686.08

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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.