Home / 804,916.70-1,208,152.65-489,988.70

Finding the Fourth Proportional to 804,916.70, 1,208,152.65 and 489,988.70

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Solution

The fourth proportional to 804,916.70, 1,208,152.65 and 489,988.70 is: 735,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,916.70 : 1,208,152.65 = 489,988.70 : x
  2. Step 2: Convert to fraction form
    804,916.70/1,208,152.65 = 489,988.70/x
  3. Step 3: Cross multiply
    804,916.70x = 1,208,152.65 × 489,988.70
  4. Step 4: Simplify right side
    804,916.70x = 591,981,146,375.06
  5. Step 5: Solve for x
    x = 591,981,146,375.06/804,916.70
  6. Step 6: Final answer
    x = 735,456.41

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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.