Home / 709,089.07-1,063,642.86-235,774.43

Finding the Fourth Proportional to 709,089.07, 1,063,642.86 and 235,774.43

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Solution

The fourth proportional to 709,089.07, 1,063,642.86 and 235,774.43 is: 353,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,089.07 : 1,063,642.86 = 235,774.43 : x
  2. Step 2: Convert to fraction form
    709,089.07/1,063,642.86 = 235,774.43/x
  3. Step 3: Cross multiply
    709,089.07x = 1,063,642.86 × 235,774.43
  4. Step 4: Simplify right side
    709,089.07x = 250,779,782,542.98
  5. Step 5: Solve for x
    x = 250,779,782,542.98/709,089.07
  6. Step 6: Final answer
    x = 353,664.72

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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.