Home / 690,168.25-952,453.38-375,861.25

Finding the Fourth Proportional to 690,168.25, 952,453.38 and 375,861.25

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Solution

The fourth proportional to 690,168.25, 952,453.38 and 375,861.25 is: 518,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,168.25 : 952,453.38 = 375,861.25 : x
  2. Step 2: Convert to fraction form
    690,168.25/952,453.38 = 375,861.25/x
  3. Step 3: Cross multiply
    690,168.25x = 952,453.38 × 375,861.25
  4. Step 4: Simplify right side
    690,168.25x = 357,990,317,973.53
  5. Step 5: Solve for x
    x = 357,990,317,973.53/690,168.25
  6. Step 6: Final answer
    x = 518,700.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.