Home / 710,002.26-979,796.66-387,711.36

Finding the Fourth Proportional to 710,002.26, 979,796.66 and 387,711.36

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Solution

The fourth proportional to 710,002.26, 979,796.66 and 387,711.36 is: 535,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,002.26 : 979,796.66 = 387,711.36 : x
  2. Step 2: Convert to fraction form
    710,002.26/979,796.66 = 387,711.36/x
  3. Step 3: Cross multiply
    710,002.26x = 979,796.66 × 387,711.36
  4. Step 4: Simplify right side
    710,002.26x = 379,878,293,633.50
  5. Step 5: Solve for x
    x = 379,878,293,633.50/710,002.26
  6. Step 6: Final answer
    x = 535,038.15

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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.