Home / 710,849.93-1,066,341.72-261,579.38

Finding the Fourth Proportional to 710,849.93, 1,066,341.72 and 261,579.38

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Solution

The fourth proportional to 710,849.93, 1,066,341.72 and 261,579.38 is: 392,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,849.93 : 1,066,341.72 = 261,579.38 : x
  2. Step 2: Convert to fraction form
    710,849.93/1,066,341.72 = 261,579.38/x
  3. Step 3: Cross multiply
    710,849.93x = 1,066,341.72 × 261,579.38
  4. Step 4: Simplify right side
    710,849.93x = 278,933,005,985.73
  5. Step 5: Solve for x
    x = 278,933,005,985.73/710,849.93
  6. Step 6: Final answer
    x = 392,393.66

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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.