Home / 897,228.20-1,345,842.30-861,798.80

Finding the Fourth Proportional to 897,228.20, 1,345,842.30 and 861,798.80

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Solution

The fourth proportional to 897,228.20, 1,345,842.30 and 861,798.80 is: 1,292,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,228.20 : 1,345,842.30 = 861,798.80 : x
  2. Step 2: Convert to fraction form
    897,228.20/1,345,842.30 = 861,798.80/x
  3. Step 3: Cross multiply
    897,228.20x = 1,345,842.30 × 861,798.80
  4. Step 4: Simplify right side
    897,228.20x = 1,159,845,279,129.24
  5. Step 5: Solve for x
    x = 1,159,845,279,129.24/897,228.20
  6. Step 6: Final answer
    x = 1,292,698.20

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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.