Home / 710,449.93-1,066,095.20-261,486.13

Finding the Fourth Proportional to 710,449.93, 1,066,095.20 and 261,486.13

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Solution

The fourth proportional to 710,449.93, 1,066,095.20 and 261,486.13 is: 392,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,449.93 : 1,066,095.20 = 261,486.13 : x
  2. Step 2: Convert to fraction form
    710,449.93/1,066,095.20 = 261,486.13/x
  3. Step 3: Cross multiply
    710,449.93x = 1,066,095.20 × 261,486.13
  4. Step 4: Simplify right side
    710,449.93x = 278,769,106,752.15
  5. Step 5: Solve for x
    x = 278,769,106,752.15/710,449.93
  6. Step 6: Final answer
    x = 392,383.89

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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.