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Finding the Fourth Proportional to 564,003.14, 778,320.08 and 309,352.52

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Solution

The fourth proportional to 564,003.14, 778,320.08 and 309,352.52 is: 426,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,003.14 : 778,320.08 = 309,352.52 : x
  2. Step 2: Convert to fraction form
    564,003.14/778,320.08 = 309,352.52/x
  3. Step 3: Cross multiply
    564,003.14x = 778,320.08 × 309,352.52
  4. Step 4: Simplify right side
    564,003.14x = 240,775,278,114.60
  5. Step 5: Solve for x
    x = 240,775,278,114.60/564,003.14
  6. Step 6: Final answer
    x = 426,904.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.