Home / 758,279.39-1,046,405.54-418,740.35

Finding the Fourth Proportional to 758,279.39, 1,046,405.54 and 418,740.35

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Solution

The fourth proportional to 758,279.39, 1,046,405.54 and 418,740.35 is: 577,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,279.39 : 1,046,405.54 = 418,740.35 : x
  2. Step 2: Convert to fraction form
    758,279.39/1,046,405.54 = 418,740.35/x
  3. Step 3: Cross multiply
    758,279.39x = 1,046,405.54 × 418,740.35
  4. Step 4: Simplify right side
    758,279.39x = 438,172,219,967.84
  5. Step 5: Solve for x
    x = 438,172,219,967.84/758,279.39
  6. Step 6: Final answer
    x = 577,850.63

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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.