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Finding the Fourth Proportional to 493,779.88, 681,417.12 and 267,425.38

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Solution

The fourth proportional to 493,779.88, 681,417.12 and 267,425.38 is: 369,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,779.88 : 681,417.12 = 267,425.38 : x
  2. Step 2: Convert to fraction form
    493,779.88/681,417.12 = 267,425.38/x
  3. Step 3: Cross multiply
    493,779.88x = 681,417.12 × 267,425.38
  4. Step 4: Simplify right side
    493,779.88x = 182,228,232,254.51
  5. Step 5: Solve for x
    x = 182,228,232,254.51/493,779.88
  6. Step 6: Final answer
    x = 369,047.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.