Home / 673,805.90-1,010,708.85-664,948.55

Finding the Fourth Proportional to 673,805.90, 1,010,708.85 and 664,948.55

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Solution

The fourth proportional to 673,805.90, 1,010,708.85 and 664,948.55 is: 997,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,805.90 : 1,010,708.85 = 664,948.55 : x
  2. Step 2: Convert to fraction form
    673,805.90/1,010,708.85 = 664,948.55/x
  3. Step 3: Cross multiply
    673,805.90x = 1,010,708.85 × 664,948.55
  4. Step 4: Simplify right side
    673,805.90x = 672,069,384,279.67
  5. Step 5: Solve for x
    x = 672,069,384,279.67/673,805.90
  6. Step 6: Final answer
    x = 997,422.83

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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.