Home / 804,549.90-1,207,602.45-405,641.10

Finding the Fourth Proportional to 804,549.90, 1,207,602.45 and 405,641.10

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Solution

The fourth proportional to 804,549.90, 1,207,602.45 and 405,641.10 is: 608,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,549.90 : 1,207,602.45 = 405,641.10 : x
  2. Step 2: Convert to fraction form
    804,549.90/1,207,602.45 = 405,641.10/x
  3. Step 3: Cross multiply
    804,549.90x = 1,207,602.45 × 405,641.10
  4. Step 4: Simplify right side
    804,549.90x = 489,853,186,180.70
  5. Step 5: Solve for x
    x = 489,853,186,180.70/804,549.90
  6. Step 6: Final answer
    x = 608,853.70

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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.