Home / 566,090.44-781,204.80-311,436.16

Finding the Fourth Proportional to 566,090.44, 781,204.80 and 311,436.16

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Solution

The fourth proportional to 566,090.44, 781,204.80 and 311,436.16 is: 429,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,090.44 : 781,204.80 = 311,436.16 : x
  2. Step 2: Convert to fraction form
    566,090.44/781,204.80 = 311,436.16/x
  3. Step 3: Cross multiply
    566,090.44x = 781,204.80 × 311,436.16
  4. Step 4: Simplify right side
    566,090.44x = 243,295,422,300.44
  5. Step 5: Solve for x
    x = 243,295,422,300.44/566,090.44
  6. Step 6: Final answer
    x = 429,781.90

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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.