Home / 690,055.41-1,035,180.32-240,710.75

Finding the Fourth Proportional to 690,055.41, 1,035,180.32 and 240,710.75

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Solution

The fourth proportional to 690,055.41, 1,035,180.32 and 240,710.75 is: 361,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,055.41 : 1,035,180.32 = 240,710.75 : x
  2. Step 2: Convert to fraction form
    690,055.41/1,035,180.32 = 240,710.75/x
  3. Step 3: Cross multiply
    690,055.41x = 1,035,180.32 × 240,710.75
  4. Step 4: Simplify right side
    690,055.41x = 249,179,024,832.99
  5. Step 5: Solve for x
    x = 249,179,024,832.99/690,055.41
  6. Step 6: Final answer
    x = 361,100.02

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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.