Home / 862,215.60-1,293,323.40-563,617.20

Finding the Fourth Proportional to 862,215.60, 1,293,323.40 and 563,617.20

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Solution

The fourth proportional to 862,215.60, 1,293,323.40 and 563,617.20 is: 845,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,215.60 : 1,293,323.40 = 563,617.20 : x
  2. Step 2: Convert to fraction form
    862,215.60/1,293,323.40 = 563,617.20/x
  3. Step 3: Cross multiply
    862,215.60x = 1,293,323.40 × 563,617.20
  4. Step 4: Simplify right side
    862,215.60x = 728,939,313,402.48
  5. Step 5: Solve for x
    x = 728,939,313,402.48/862,215.60
  6. Step 6: Final answer
    x = 845,425.80

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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.