Home / 821,374.40-1,233,904.80-572,542.40

Finding the Fourth Proportional to 821,374.40, 1,233,904.80 and 572,542.40

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Solution

The fourth proportional to 821,374.40, 1,233,904.80 and 572,542.40 is: 860,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,374.40 : 1,233,904.80 = 572,542.40 : x
  2. Step 2: Convert to fraction form
    821,374.40/1,233,904.80 = 572,542.40/x
  3. Step 3: Cross multiply
    821,374.40x = 1,233,904.80 × 572,542.40
  4. Step 4: Simplify right side
    821,374.40x = 706,462,815,563.52
  5. Step 5: Solve for x
    x = 706,462,815,563.52/821,374.40
  6. Step 6: Final answer
    x = 860,098.41

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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.