Home / 566,280.83-781,467.69-311,632.01

Finding the Fourth Proportional to 566,280.83, 781,467.69 and 311,632.01

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Solution

The fourth proportional to 566,280.83, 781,467.69 and 311,632.01 is: 430,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,280.83 : 781,467.69 = 311,632.01 : x
  2. Step 2: Convert to fraction form
    566,280.83/781,467.69 = 311,632.01/x
  3. Step 3: Cross multiply
    566,280.83x = 781,467.69 × 311,632.01
  4. Step 4: Simplify right side
    566,280.83x = 243,530,346,984.76
  5. Step 5: Solve for x
    x = 243,530,346,984.76/566,280.83
  6. Step 6: Final answer
    x = 430,052.25

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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.