Home / 971,183.28-1,339,756.56-648,972.48

Finding the Fourth Proportional to 971,183.28, 1,339,756.56 and 648,972.48

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Solution

The fourth proportional to 971,183.28, 1,339,756.56 and 648,972.48 is: 895,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,183.28 : 1,339,756.56 = 648,972.48 : x
  2. Step 2: Convert to fraction form
    971,183.28/1,339,756.56 = 648,972.48/x
  3. Step 3: Cross multiply
    971,183.28x = 1,339,756.56 × 648,972.48
  4. Step 4: Simplify right side
    971,183.28x = 869,465,137,339.47
  5. Step 5: Solve for x
    x = 869,465,137,339.47/971,183.28
  6. Step 6: Final answer
    x = 895,263.70

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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.