Home / 566,280.95-781,467.83-311,632.14

Finding the Fourth Proportional to 566,280.95, 781,467.83 and 311,632.14

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Solution

The fourth proportional to 566,280.95, 781,467.83 and 311,632.14 is: 430,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,280.95 : 781,467.83 = 311,632.14 : x
  2. Step 2: Convert to fraction form
    566,280.95/781,467.83 = 311,632.14/x
  3. Step 3: Cross multiply
    566,280.95x = 781,467.83 × 311,632.14
  4. Step 4: Simplify right side
    566,280.95x = 243,530,492,204.06
  5. Step 5: Solve for x
    x = 243,530,492,204.06/566,280.95
  6. Step 6: Final answer
    x = 430,052.42

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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.