Home / 788,983.84-1,088,531.76-449,211.52

Finding the Fourth Proportional to 788,983.84, 1,088,531.76 and 449,211.52

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Solution

The fourth proportional to 788,983.84, 1,088,531.76 and 449,211.52 is: 619,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,983.84 : 1,088,531.76 = 449,211.52 : x
  2. Step 2: Convert to fraction form
    788,983.84/1,088,531.76 = 449,211.52/x
  3. Step 3: Cross multiply
    788,983.84x = 1,088,531.76 × 449,211.52
  4. Step 4: Simplify right side
    788,983.84x = 488,981,006,477.88
  5. Step 5: Solve for x
    x = 488,981,006,477.88/788,983.84
  6. Step 6: Final answer
    x = 619,760.48

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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.