Home / 566,280.46-781,467.17-311,631.65

Finding the Fourth Proportional to 566,280.46, 781,467.17 and 311,631.65

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Solution

The fourth proportional to 566,280.46, 781,467.17 and 311,631.65 is: 430,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,280.46 : 781,467.17 = 311,631.65 : x
  2. Step 2: Convert to fraction form
    566,280.46/781,467.17 = 311,631.65/x
  3. Step 3: Cross multiply
    566,280.46x = 781,467.17 × 311,631.65
  4. Step 4: Simplify right side
    566,280.46x = 243,529,903,607.93
  5. Step 5: Solve for x
    x = 243,529,903,607.93/566,280.46
  6. Step 6: Final answer
    x = 430,051.75

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1.5x scale

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.