Home / 972,638.24-1,342,464.72-570,359.84

Finding the Fourth Proportional to 972,638.24, 1,342,464.72 and 570,359.84

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Solution

The fourth proportional to 972,638.24, 1,342,464.72 and 570,359.84 is: 787,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,638.24 : 1,342,464.72 = 570,359.84 : x
  2. Step 2: Convert to fraction form
    972,638.24/1,342,464.72 = 570,359.84/x
  3. Step 3: Cross multiply
    972,638.24x = 1,342,464.72 × 570,359.84
  4. Step 4: Simplify right side
    972,638.24x = 765,687,962,904.85
  5. Step 5: Solve for x
    x = 765,687,962,904.85/972,638.24
  6. Step 6: Final answer
    x = 787,227.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.