Home / 439,970.03-607,167.24-287,106.02

Finding the Fourth Proportional to 439,970.03, 607,167.24 and 287,106.02

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Solution

The fourth proportional to 439,970.03, 607,167.24 and 287,106.02 is: 396,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,970.03 : 607,167.24 = 287,106.02 : x
  2. Step 2: Convert to fraction form
    439,970.03/607,167.24 = 287,106.02/x
  3. Step 3: Cross multiply
    439,970.03x = 607,167.24 × 287,106.02
  4. Step 4: Simplify right side
    439,970.03x = 174,321,369,530.15
  5. Step 5: Solve for x
    x = 174,321,369,530.15/439,970.03
  6. Step 6: Final answer
    x = 396,211.92

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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.