Home / 672,003.30-1,006,838.55-630,012.90

Finding the Fourth Proportional to 672,003.30, 1,006,838.55 and 630,012.90

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Solution

The fourth proportional to 672,003.30, 1,006,838.55 and 630,012.90 is: 943,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,003.30 : 1,006,838.55 = 630,012.90 : x
  2. Step 2: Convert to fraction form
    672,003.30/1,006,838.55 = 630,012.90/x
  3. Step 3: Cross multiply
    672,003.30x = 1,006,838.55 × 630,012.90
  4. Step 4: Simplify right side
    672,003.30x = 634,321,274,717.30
  5. Step 5: Solve for x
    x = 634,321,274,717.30/672,003.30
  6. Step 6: Final answer
    x = 943,925.83

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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.