Home / 691,059.42-1,036,641.62-235,509.08

Finding the Fourth Proportional to 691,059.42, 1,036,641.62 and 235,509.08

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Solution

The fourth proportional to 691,059.42, 1,036,641.62 and 235,509.08 is: 353,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,059.42 : 1,036,641.62 = 235,509.08 : x
  2. Step 2: Convert to fraction form
    691,059.42/1,036,641.62 = 235,509.08/x
  3. Step 3: Cross multiply
    691,059.42x = 1,036,641.62 × 235,509.08
  4. Step 4: Simplify right side
    691,059.42x = 244,138,514,215.91
  5. Step 5: Solve for x
    x = 244,138,514,215.91/691,059.42
  6. Step 6: Final answer
    x = 353,281.51

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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.