Home / 673,805.40-1,010,708.10-664,948.05

Finding the Fourth Proportional to 673,805.40, 1,010,708.10 and 664,948.05

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Solution

The fourth proportional to 673,805.40, 1,010,708.10 and 664,948.05 is: 997,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,805.40 : 1,010,708.10 = 664,948.05 : x
  2. Step 2: Convert to fraction form
    673,805.40/1,010,708.10 = 664,948.05/x
  3. Step 3: Cross multiply
    673,805.40x = 1,010,708.10 × 664,948.05
  4. Step 4: Simplify right side
    673,805.40x = 672,068,380,214.21
  5. Step 5: Solve for x
    x = 672,068,380,214.21/673,805.40
  6. Step 6: Final answer
    x = 997,422.08

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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.