Home / 679,025.40-1,018,643.76-205,598.04

Finding the Fourth Proportional to 679,025.40, 1,018,643.76 and 205,598.04

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Solution

The fourth proportional to 679,025.40, 1,018,643.76 and 205,598.04 is: 308,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,025.40 : 1,018,643.76 = 205,598.04 : x
  2. Step 2: Convert to fraction form
    679,025.40/1,018,643.76 = 205,598.04/x
  3. Step 3: Cross multiply
    679,025.40x = 1,018,643.76 × 205,598.04
  4. Step 4: Simplify right side
    679,025.40x = 209,431,160,514.23
  5. Step 5: Solve for x
    x = 209,431,160,514.23/679,025.40
  6. Step 6: Final answer
    x = 308,429.05

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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.