Home / 810,757.03-1,216,977.02-469,866.49

Finding the Fourth Proportional to 810,757.03, 1,216,977.02 and 469,866.49

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Solution

The fourth proportional to 810,757.03, 1,216,977.02 and 469,866.49 is: 705,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,757.03 : 1,216,977.02 = 469,866.49 : x
  2. Step 2: Convert to fraction form
    810,757.03/1,216,977.02 = 469,866.49/x
  3. Step 3: Cross multiply
    810,757.03x = 1,216,977.02 × 469,866.49
  4. Step 4: Simplify right side
    810,757.03x = 571,816,720,798.06
  5. Step 5: Solve for x
    x = 571,816,720,798.06/810,757.03
  6. Step 6: Final answer
    x = 705,287.40

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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.