Home / 808,037.69-1,209,062.61-647,627.11

Finding the Fourth Proportional to 808,037.69, 1,209,062.61 and 647,627.11

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Solution

The fourth proportional to 808,037.69, 1,209,062.61 and 647,627.11 is: 969,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,037.69 : 1,209,062.61 = 647,627.11 : x
  2. Step 2: Convert to fraction form
    808,037.69/1,209,062.61 = 647,627.11/x
  3. Step 3: Cross multiply
    808,037.69x = 1,209,062.61 × 647,627.11
  4. Step 4: Simplify right side
    808,037.69x = 783,021,720,900.70
  5. Step 5: Solve for x
    x = 783,021,720,900.70/808,037.69
  6. Step 6: Final answer
    x = 969,041.08

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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.