Home / 487,646.00-672,977.61-272,773.25

Finding the Fourth Proportional to 487,646.00, 672,977.61 and 272,773.25

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Solution

The fourth proportional to 487,646.00, 672,977.61 and 272,773.25 is: 376,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,646.00 : 672,977.61 = 272,773.25 : x
  2. Step 2: Convert to fraction form
    487,646.00/672,977.61 = 272,773.25/x
  3. Step 3: Cross multiply
    487,646.00x = 672,977.61 × 272,773.25
  4. Step 4: Simplify right side
    487,646.00x = 183,570,286,492.04
  5. Step 5: Solve for x
    x = 183,570,286,492.04/487,646.00
  6. Step 6: Final answer
    x = 376,441.70

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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.