Home / 679,234.60-1,018,203.90-252,656.20

Finding the Fourth Proportional to 679,234.60, 1,018,203.90 and 252,656.20

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Solution

The fourth proportional to 679,234.60, 1,018,203.90 and 252,656.20 is: 378,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,234.60 : 1,018,203.90 = 252,656.20 : x
  2. Step 2: Convert to fraction form
    679,234.60/1,018,203.90 = 252,656.20/x
  3. Step 3: Cross multiply
    679,234.60x = 1,018,203.90 × 252,656.20
  4. Step 4: Simplify right side
    679,234.60x = 257,255,528,199.18
  5. Step 5: Solve for x
    x = 257,255,528,199.18/679,234.60
  6. Step 6: Final answer
    x = 378,743.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.