Home / 769,573.16-1,061,752.02-497,984.66

Finding the Fourth Proportional to 769,573.16, 1,061,752.02 and 497,984.66

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Solution

The fourth proportional to 769,573.16, 1,061,752.02 and 497,984.66 is: 687,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,573.16 : 1,061,752.02 = 497,984.66 : x
  2. Step 2: Convert to fraction form
    769,573.16/1,061,752.02 = 497,984.66/x
  3. Step 3: Cross multiply
    769,573.16x = 1,061,752.02 × 497,984.66
  4. Step 4: Simplify right side
    769,573.16x = 528,736,213,375.25
  5. Step 5: Solve for x
    x = 528,736,213,375.25/769,573.16
  6. Step 6: Final answer
    x = 687,051.27

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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.