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Finding the Fourth Proportional to 649,074.72, 895,718.58 and 362,594.72

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Solution

The fourth proportional to 649,074.72, 895,718.58 and 362,594.72 is: 500,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,074.72 : 895,718.58 = 362,594.72 : x
  2. Step 2: Convert to fraction form
    649,074.72/895,718.58 = 362,594.72/x
  3. Step 3: Cross multiply
    649,074.72x = 895,718.58 × 362,594.72
  4. Step 4: Simplify right side
    649,074.72x = 324,782,827,713.90
  5. Step 5: Solve for x
    x = 324,782,827,713.90/649,074.72
  6. Step 6: Final answer
    x = 500,378.18

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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.