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Finding the Fourth Proportional to 563,059.68, 777,022.56 and 308,415.12

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Solution

The fourth proportional to 563,059.68, 777,022.56 and 308,415.12 is: 425,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,059.68 : 777,022.56 = 308,415.12 : x
  2. Step 2: Convert to fraction form
    563,059.68/777,022.56 = 308,415.12/x
  3. Step 3: Cross multiply
    563,059.68x = 777,022.56 × 308,415.12
  4. Step 4: Simplify right side
    563,059.68x = 239,645,506,085.11
  5. Step 5: Solve for x
    x = 239,645,506,085.11/563,059.68
  6. Step 6: Final answer
    x = 425,612.98

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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.