Home / 690,268.56-1,035,875.70-240,989.46

Finding the Fourth Proportional to 690,268.56, 1,035,875.70 and 240,989.46

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Solution

The fourth proportional to 690,268.56, 1,035,875.70 and 240,989.46 is: 361,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,268.56 : 1,035,875.70 = 240,989.46 : x
  2. Step 2: Convert to fraction form
    690,268.56/1,035,875.70 = 240,989.46/x
  3. Step 3: Cross multiply
    690,268.56x = 1,035,875.70 × 240,989.46
  4. Step 4: Simplify right side
    690,268.56x = 249,635,125,570.12
  5. Step 5: Solve for x
    x = 249,635,125,570.12/690,268.56
  6. Step 6: Final answer
    x = 361,649.28

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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.