Home / 769,570.52-1,061,748.41-497,982.03

Finding the Fourth Proportional to 769,570.52, 1,061,748.41 and 497,982.03

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Solution

The fourth proportional to 769,570.52, 1,061,748.41 and 497,982.03 is: 687,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,570.52 : 1,061,748.41 = 497,982.03 : x
  2. Step 2: Convert to fraction form
    769,570.52/1,061,748.41 = 497,982.03/x
  3. Step 3: Cross multiply
    769,570.52x = 1,061,748.41 × 497,982.03
  4. Step 4: Simplify right side
    769,570.52x = 528,731,622,089.61
  5. Step 5: Solve for x
    x = 528,731,622,089.61/769,570.52
  6. Step 6: Final answer
    x = 687,047.66

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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.