Home / 566,280.14-781,466.71-311,631.33

Finding the Fourth Proportional to 566,280.14, 781,466.71 and 311,631.33

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Solution

The fourth proportional to 566,280.14, 781,466.71 and 311,631.33 is: 430,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,280.14 : 781,466.71 = 311,631.33 : x
  2. Step 2: Convert to fraction form
    566,280.14/781,466.71 = 311,631.33/x
  3. Step 3: Cross multiply
    566,280.14x = 781,466.71 × 311,631.33
  4. Step 4: Simplify right side
    566,280.14x = 243,529,510,188.02
  5. Step 5: Solve for x
    x = 243,529,510,188.02/566,280.14
  6. Step 6: Final answer
    x = 430,051.30

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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.