Home / 690,220.32-1,035,579.62-241,007.40

Finding the Fourth Proportional to 690,220.32, 1,035,579.62 and 241,007.40

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Solution

The fourth proportional to 690,220.32, 1,035,579.62 and 241,007.40 is: 361,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,220.32 : 1,035,579.62 = 241,007.40 : x
  2. Step 2: Convert to fraction form
    690,220.32/1,035,579.62 = 241,007.40/x
  3. Step 3: Cross multiply
    690,220.32x = 1,035,579.62 × 241,007.40
  4. Step 4: Simplify right side
    690,220.32x = 249,582,351,709.19
  5. Step 5: Solve for x
    x = 249,582,351,709.19/690,220.32
  6. Step 6: Final answer
    x = 361,598.09

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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.