Home / 690,061.10-1,035,132.99-216,746.45

Finding the Fourth Proportional to 690,061.10, 1,035,132.99 and 216,746.45

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Solution

The fourth proportional to 690,061.10, 1,035,132.99 and 216,746.45 is: 325,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,061.10 : 1,035,132.99 = 216,746.45 : x
  2. Step 2: Convert to fraction form
    690,061.10/1,035,132.99 = 216,746.45/x
  3. Step 3: Cross multiply
    690,061.10x = 1,035,132.99 × 216,746.45
  4. Step 4: Simplify right side
    690,061.10x = 224,361,394,600.99
  5. Step 5: Solve for x
    x = 224,361,394,600.99/690,061.10
  6. Step 6: Final answer
    x = 325,132.65

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1.5x scale

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.