Home / 672,079.15-1,008,118.73-432,930.70

Finding the Fourth Proportional to 672,079.15, 1,008,118.73 and 432,930.70

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Solution

The fourth proportional to 672,079.15, 1,008,118.73 and 432,930.70 is: 649,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,079.15 : 1,008,118.73 = 432,930.70 : x
  2. Step 2: Convert to fraction form
    672,079.15/1,008,118.73 = 432,930.70/x
  3. Step 3: Cross multiply
    672,079.15x = 1,008,118.73 × 432,930.70
  4. Step 4: Simplify right side
    672,079.15x = 436,445,547,462.01
  5. Step 5: Solve for x
    x = 436,445,547,462.01/672,079.15
  6. Step 6: Final answer
    x = 649,396.05

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1.5x scale

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.