Home / 972,003.80-1,458,005.70-572,438.90

Finding the Fourth Proportional to 972,003.80, 1,458,005.70 and 572,438.90

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Solution

The fourth proportional to 972,003.80, 1,458,005.70 and 572,438.90 is: 858,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.80 : 1,458,005.70 = 572,438.90 : x
  2. Step 2: Convert to fraction form
    972,003.80/1,458,005.70 = 572,438.90/x
  3. Step 3: Cross multiply
    972,003.80x = 1,458,005.70 × 572,438.90
  4. Step 4: Simplify right side
    972,003.80x = 834,619,179,101.73
  5. Step 5: Solve for x
    x = 834,619,179,101.73/972,003.80
  6. Step 6: Final answer
    x = 858,658.35

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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.