Home / 691,731.90-1,036,625.85-549,819.90

Finding the Fourth Proportional to 691,731.90, 1,036,625.85 and 549,819.90

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Solution

The fourth proportional to 691,731.90, 1,036,625.85 and 549,819.90 is: 823,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,731.90 : 1,036,625.85 = 549,819.90 : x
  2. Step 2: Convert to fraction form
    691,731.90/1,036,625.85 = 549,819.90/x
  3. Step 3: Cross multiply
    691,731.90x = 1,036,625.85 × 549,819.90
  4. Step 4: Simplify right side
    691,731.90x = 569,957,521,184.42
  5. Step 5: Solve for x
    x = 569,957,521,184.42/691,731.90
  6. Step 6: Final answer
    x = 823,957.26

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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.