Home / 668,123.30-1,001,018.55-574,811.30

Finding the Fourth Proportional to 668,123.30, 1,001,018.55 and 574,811.30

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Solution

The fourth proportional to 668,123.30, 1,001,018.55 and 574,811.30 is: 861,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,123.30 : 1,001,018.55 = 574,811.30 : x
  2. Step 2: Convert to fraction form
    668,123.30/1,001,018.55 = 574,811.30/x
  3. Step 3: Cross multiply
    668,123.30x = 1,001,018.55 × 574,811.30
  4. Step 4: Simplify right side
    668,123.30x = 575,396,774,049.62
  5. Step 5: Solve for x
    x = 575,396,774,049.62/668,123.30
  6. Step 6: Final answer
    x = 861,213.45

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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.