Home / 702,109.55-1,053,755.13-657,822.80

Finding the Fourth Proportional to 702,109.55, 1,053,755.13 and 657,822.80

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Solution

The fourth proportional to 702,109.55, 1,053,755.13 and 657,822.80 is: 987,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,109.55 : 1,053,755.13 = 657,822.80 : x
  2. Step 2: Convert to fraction form
    702,109.55/1,053,755.13 = 657,822.80/x
  3. Step 3: Cross multiply
    702,109.55x = 1,053,755.13 × 657,822.80
  4. Step 4: Simplify right side
    702,109.55x = 693,184,150,130.96
  5. Step 5: Solve for x
    x = 693,184,150,130.96/702,109.55
  6. Step 6: Final answer
    x = 987,287.74

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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.