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Finding the Fourth Proportional to 525,195.24, 724,728.48 and 310,294.56

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Solution

The fourth proportional to 525,195.24, 724,728.48 and 310,294.56 is: 428,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,195.24 : 724,728.48 = 310,294.56 : x
  2. Step 2: Convert to fraction form
    525,195.24/724,728.48 = 310,294.56/x
  3. Step 3: Cross multiply
    525,195.24x = 724,728.48 × 310,294.56
  4. Step 4: Simplify right side
    525,195.24x = 224,879,304,821.07
  5. Step 5: Solve for x
    x = 224,879,304,821.07/525,195.24
  6. Step 6: Final answer
    x = 428,182.30

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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.