Home / 884,437.38-1,220,370.57-521,833.86

Finding the Fourth Proportional to 884,437.38, 1,220,370.57 and 521,833.86

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Solution

The fourth proportional to 884,437.38, 1,220,370.57 and 521,833.86 is: 720,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,437.38 : 1,220,370.57 = 521,833.86 : x
  2. Step 2: Convert to fraction form
    884,437.38/1,220,370.57 = 521,833.86/x
  3. Step 3: Cross multiply
    884,437.38x = 1,220,370.57 × 521,833.86
  4. Step 4: Simplify right side
    884,437.38x = 636,830,685,173.50
  5. Step 5: Solve for x
    x = 636,830,685,173.50/884,437.38
  6. Step 6: Final answer
    x = 720,040.45

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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.