Home / 972,023.70-1,458,035.55-340,709.70

Finding the Fourth Proportional to 972,023.70, 1,458,035.55 and 340,709.70

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Solution

The fourth proportional to 972,023.70, 1,458,035.55 and 340,709.70 is: 511,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,023.70 : 1,458,035.55 = 340,709.70 : x
  2. Step 2: Convert to fraction form
    972,023.70/1,458,035.55 = 340,709.70/x
  3. Step 3: Cross multiply
    972,023.70x = 1,458,035.55 × 340,709.70
  4. Step 4: Simplify right side
    972,023.70x = 496,766,854,829.84
  5. Step 5: Solve for x
    x = 496,766,854,829.84/972,023.70
  6. Step 6: Final answer
    x = 511,064.55

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Similar ratio
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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.