Home / 690,287.61-1,035,543.62-204,019.10

Finding the Fourth Proportional to 690,287.61, 1,035,543.62 and 204,019.10

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Solution

The fourth proportional to 690,287.61, 1,035,543.62 and 204,019.10 is: 306,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,287.61 : 1,035,543.62 = 204,019.10 : x
  2. Step 2: Convert to fraction form
    690,287.61/1,035,543.62 = 204,019.10/x
  3. Step 3: Cross multiply
    690,287.61x = 1,035,543.62 × 204,019.10
  4. Step 4: Simplify right side
    690,287.61x = 211,270,671,165.33
  5. Step 5: Solve for x
    x = 211,270,671,165.33/690,287.61
  6. Step 6: Final answer
    x = 306,061.80

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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.