Home / 710,104.59-979,939.35-387,814.77

Finding the Fourth Proportional to 710,104.59, 979,939.35 and 387,814.77

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Solution

The fourth proportional to 710,104.59, 979,939.35 and 387,814.77 is: 535,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,104.59 : 979,939.35 = 387,814.77 : x
  2. Step 2: Convert to fraction form
    710,104.59/979,939.35 = 387,814.77/x
  3. Step 3: Cross multiply
    710,104.59x = 979,939.35 × 387,814.77
  4. Step 4: Simplify right side
    710,104.59x = 380,034,953,634.20
  5. Step 5: Solve for x
    x = 380,034,953,634.20/710,104.59
  6. Step 6: Final answer
    x = 535,181.66

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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.