Home / 672,326.40-1,007,107.20-462,201.60

Finding the Fourth Proportional to 672,326.40, 1,007,107.20 and 462,201.60

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Solution

The fourth proportional to 672,326.40, 1,007,107.20 and 462,201.60 is: 692,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,326.40 : 1,007,107.20 = 462,201.60 : x
  2. Step 2: Convert to fraction form
    672,326.40/1,007,107.20 = 462,201.60/x
  3. Step 3: Cross multiply
    672,326.40x = 1,007,107.20 × 462,201.60
  4. Step 4: Simplify right side
    672,326.40x = 465,486,559,211.52
  5. Step 5: Solve for x
    x = 465,486,559,211.52/672,326.40
  6. Step 6: Final answer
    x = 692,352.05

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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.