Home / 690,627.02-1,035,842.11-217,300.07

Finding the Fourth Proportional to 690,627.02, 1,035,842.11 and 217,300.07

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Solution

The fourth proportional to 690,627.02, 1,035,842.11 and 217,300.07 is: 325,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,627.02 : 1,035,842.11 = 217,300.07 : x
  2. Step 2: Convert to fraction form
    690,627.02/1,035,842.11 = 217,300.07/x
  3. Step 3: Cross multiply
    690,627.02x = 1,035,842.11 × 217,300.07
  4. Step 4: Simplify right side
    690,627.02x = 225,088,565,058.30
  5. Step 5: Solve for x
    x = 225,088,565,058.30/690,627.02
  6. Step 6: Final answer
    x = 325,919.14

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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.