Home / 966,047.20-1,447,904.40-492,488.80

Finding the Fourth Proportional to 966,047.20, 1,447,904.40 and 492,488.80

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Solution

The fourth proportional to 966,047.20, 1,447,904.40 and 492,488.80 is: 738,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,047.20 : 1,447,904.40 = 492,488.80 : x
  2. Step 2: Convert to fraction form
    966,047.20/1,447,904.40 = 492,488.80/x
  3. Step 3: Cross multiply
    966,047.20x = 1,447,904.40 × 492,488.80
  4. Step 4: Simplify right side
    966,047.20x = 713,076,700,470.72
  5. Step 5: Solve for x
    x = 713,076,700,470.72/966,047.20
  6. Step 6: Final answer
    x = 738,138.57

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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.