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Finding the Fourth Proportional to 500,330.96, 749,554.74 and 247,315.28

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Solution

The fourth proportional to 500,330.96, 749,554.74 and 247,315.28 is: 370,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,330.96 : 749,554.74 = 247,315.28 : x
  2. Step 2: Convert to fraction form
    500,330.96/749,554.74 = 247,315.28/x
  3. Step 3: Cross multiply
    500,330.96x = 749,554.74 × 247,315.28
  4. Step 4: Simplify right side
    500,330.96x = 185,376,336,650.65
  5. Step 5: Solve for x
    x = 185,376,336,650.65/500,330.96
  6. Step 6: Final answer
    x = 370,507.43

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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.