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Finding the Fourth Proportional to 575,985.44, 864,363.80 and 239,026.42

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Solution

The fourth proportional to 575,985.44, 864,363.80 and 239,026.42 is: 358,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,985.44 : 864,363.80 = 239,026.42 : x
  2. Step 2: Convert to fraction form
    575,985.44/864,363.80 = 239,026.42/x
  3. Step 3: Cross multiply
    575,985.44x = 864,363.80 × 239,026.42
  4. Step 4: Simplify right side
    575,985.44x = 206,605,784,691.60
  5. Step 5: Solve for x
    x = 206,605,784,691.60/575,985.44
  6. Step 6: Final answer
    x = 358,699.67

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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.