Home / 493,784.40-681,419.08-267,425.36

Finding the Fourth Proportional to 493,784.40, 681,419.08 and 267,425.36

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Solution

The fourth proportional to 493,784.40, 681,419.08 and 267,425.36 is: 369,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,784.40 : 681,419.08 = 267,425.36 : x
  2. Step 2: Convert to fraction form
    493,784.40/681,419.08 = 267,425.36/x
  3. Step 3: Cross multiply
    493,784.40x = 681,419.08 × 267,425.36
  4. Step 4: Simplify right side
    493,784.40x = 182,228,742,779.87
  5. Step 5: Solve for x
    x = 182,228,742,779.87/493,784.40
  6. Step 6: Final answer
    x = 369,045.16

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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.