Home / 690,193.60-1,035,345.75-240,904.52

Finding the Fourth Proportional to 690,193.60, 1,035,345.75 and 240,904.52

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Solution

The fourth proportional to 690,193.60, 1,035,345.75 and 240,904.52 is: 361,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,193.60 : 1,035,345.75 = 240,904.52 : x
  2. Step 2: Convert to fraction form
    690,193.60/1,035,345.75 = 240,904.52/x
  3. Step 3: Cross multiply
    690,193.60x = 1,035,345.75 × 240,904.52
  4. Step 4: Simplify right side
    690,193.60x = 249,419,470,937.79
  5. Step 5: Solve for x
    x = 249,419,470,937.79/690,193.60
  6. Step 6: Final answer
    x = 361,376.10

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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.