Home / 972,015.80-1,458,023.70-572,450.90

Finding the Fourth Proportional to 972,015.80, 1,458,023.70 and 572,450.90

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Solution

The fourth proportional to 972,015.80, 1,458,023.70 and 572,450.90 is: 858,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,015.80 : 1,458,023.70 = 572,450.90 : x
  2. Step 2: Convert to fraction form
    972,015.80/1,458,023.70 = 572,450.90/x
  3. Step 3: Cross multiply
    972,015.80x = 1,458,023.70 × 572,450.90
  4. Step 4: Simplify right side
    972,015.80x = 834,646,979,286.33
  5. Step 5: Solve for x
    x = 834,646,979,286.33/972,015.80
  6. Step 6: Final answer
    x = 858,676.35

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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.