Home / 804,482.10-1,207,166.40-489,160.44

Finding the Fourth Proportional to 804,482.10, 1,207,166.40 and 489,160.44

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Solution

The fourth proportional to 804,482.10, 1,207,166.40 and 489,160.44 is: 734,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,482.10 : 1,207,166.40 = 489,160.44 : x
  2. Step 2: Convert to fraction form
    804,482.10/1,207,166.40 = 489,160.44/x
  3. Step 3: Cross multiply
    804,482.10x = 1,207,166.40 × 489,160.44
  4. Step 4: Simplify right side
    804,482.10x = 590,498,047,377.22
  5. Step 5: Solve for x
    x = 590,498,047,377.22/804,482.10
  6. Step 6: Final answer
    x = 734,010.18

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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.