Home / 679,923.40-1,020,273.90-469,712.20

Finding the Fourth Proportional to 679,923.40, 1,020,273.90 and 469,712.20

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Solution

The fourth proportional to 679,923.40, 1,020,273.90 and 469,712.20 is: 704,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,923.40 : 1,020,273.90 = 469,712.20 : x
  2. Step 2: Convert to fraction form
    679,923.40/1,020,273.90 = 469,712.20/x
  3. Step 3: Cross multiply
    679,923.40x = 1,020,273.90 × 469,712.20
  4. Step 4: Simplify right side
    679,923.40x = 479,235,098,171.58
  5. Step 5: Solve for x
    x = 479,235,098,171.58/679,923.40
  6. Step 6: Final answer
    x = 704,836.90

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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.