Home / 684,642.66-1,026,987.41-235,359.69

Finding the Fourth Proportional to 684,642.66, 1,026,987.41 and 235,359.69

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Solution

The fourth proportional to 684,642.66, 1,026,987.41 and 235,359.69 is: 353,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,642.66 : 1,026,987.41 = 235,359.69 : x
  2. Step 2: Convert to fraction form
    684,642.66/1,026,987.41 = 235,359.69/x
  3. Step 3: Cross multiply
    684,642.66x = 1,026,987.41 × 235,359.69
  4. Step 4: Simplify right side
    684,642.66x = 241,711,438,451.50
  5. Step 5: Solve for x
    x = 241,711,438,451.50/684,642.66
  6. Step 6: Final answer
    x = 353,047.59

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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.