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Finding the Fourth Proportional to 750,207.83, 1,035,279.83 and 406,036.80

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Solution

The fourth proportional to 750,207.83, 1,035,279.83 and 406,036.80 is: 560,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,207.83 : 1,035,279.83 = 406,036.80 : x
  2. Step 2: Convert to fraction form
    750,207.83/1,035,279.83 = 406,036.80/x
  3. Step 3: Cross multiply
    750,207.83x = 1,035,279.83 × 406,036.80
  4. Step 4: Simplify right side
    750,207.83x = 420,361,710,292.84
  5. Step 5: Solve for x
    x = 420,361,710,292.84/750,207.83
  6. Step 6: Final answer
    x = 560,327.01

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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.