Home / 680,234.04-1,020,807.90-469,494.72

Finding the Fourth Proportional to 680,234.04, 1,020,807.90 and 469,494.72

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Solution

The fourth proportional to 680,234.04, 1,020,807.90 and 469,494.72 is: 704,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,234.04 : 1,020,807.90 = 469,494.72 : x
  2. Step 2: Convert to fraction form
    680,234.04/1,020,807.90 = 469,494.72/x
  3. Step 3: Cross multiply
    680,234.04x = 1,020,807.90 × 469,494.72
  4. Step 4: Simplify right side
    680,234.04x = 479,263,919,184.29
  5. Step 5: Solve for x
    x = 479,263,919,184.29/680,234.04
  6. Step 6: Final answer
    x = 704,557.39

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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.