Home / 673,766.60-1,010,649.90-319,472.60

Finding the Fourth Proportional to 673,766.60, 1,010,649.90 and 319,472.60

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Solution

The fourth proportional to 673,766.60, 1,010,649.90 and 319,472.60 is: 479,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,766.60 : 1,010,649.90 = 319,472.60 : x
  2. Step 2: Convert to fraction form
    673,766.60/1,010,649.90 = 319,472.60/x
  3. Step 3: Cross multiply
    673,766.60x = 1,010,649.90 × 319,472.60
  4. Step 4: Simplify right side
    673,766.60x = 322,874,951,242.74
  5. Step 5: Solve for x
    x = 322,874,951,242.74/673,766.60
  6. Step 6: Final answer
    x = 479,208.90

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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.