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Finding the Fourth Proportional to 550,315.84, 759,597.12 and 359,358.88

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Solution

The fourth proportional to 550,315.84, 759,597.12 and 359,358.88 is: 496,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,315.84 : 759,597.12 = 359,358.88 : x
  2. Step 2: Convert to fraction form
    550,315.84/759,597.12 = 359,358.88/x
  3. Step 3: Cross multiply
    550,315.84x = 759,597.12 × 359,358.88
  4. Step 4: Simplify right side
    550,315.84x = 272,967,970,294.43
  5. Step 5: Solve for x
    x = 272,967,970,294.43/550,315.84
  6. Step 6: Final answer
    x = 496,020.56

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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.