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Finding the Fourth Proportional to 680,881.50, 1,020,750.53 and 296,343.18

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Solution

The fourth proportional to 680,881.50, 1,020,750.53 and 296,343.18 is: 444,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,881.50 : 1,020,750.53 = 296,343.18 : x
  2. Step 2: Convert to fraction form
    680,881.50/1,020,750.53 = 296,343.18/x
  3. Step 3: Cross multiply
    680,881.50x = 1,020,750.53 × 296,343.18
  4. Step 4: Simplify right side
    680,881.50x = 302,492,456,565.17
  5. Step 5: Solve for x
    x = 302,492,456,565.17/680,881.50
  6. Step 6: Final answer
    x = 444,265.94

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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.