Home / 972,949.12-1,342,315.20-570,463.36

Finding the Fourth Proportional to 972,949.12, 1,342,315.20 and 570,463.36

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Solution

The fourth proportional to 972,949.12, 1,342,315.20 and 570,463.36 is: 787,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,949.12 : 1,342,315.20 = 570,463.36 : x
  2. Step 2: Convert to fraction form
    972,949.12/1,342,315.20 = 570,463.36/x
  3. Step 3: Cross multiply
    972,949.12x = 1,342,315.20 × 570,463.36
  4. Step 4: Simplify right side
    972,949.12x = 765,741,639,171.07
  5. Step 5: Solve for x
    x = 765,741,639,171.07/972,949.12
  6. Step 6: Final answer
    x = 787,031.53

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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.