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Finding the Fourth Proportional to 559,885.08, 772,656.12 and 345,167.04

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Solution

The fourth proportional to 559,885.08, 772,656.12 and 345,167.04 is: 476,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,885.08 : 772,656.12 = 345,167.04 : x
  2. Step 2: Convert to fraction form
    559,885.08/772,656.12 = 345,167.04/x
  3. Step 3: Cross multiply
    559,885.08x = 772,656.12 × 345,167.04
  4. Step 4: Simplify right side
    559,885.08x = 266,695,425,878.29
  5. Step 5: Solve for x
    x = 266,695,425,878.29/559,885.08
  6. Step 6: Final answer
    x = 476,339.58

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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.