Home / 702,100.55-1,053,741.62-657,813.80

Finding the Fourth Proportional to 702,100.55, 1,053,741.62 and 657,813.80

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Solution

The fourth proportional to 702,100.55, 1,053,741.62 and 657,813.80 is: 987,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,100.55 : 1,053,741.62 = 657,813.80 : x
  2. Step 2: Convert to fraction form
    702,100.55/1,053,741.62 = 657,813.80/x
  3. Step 3: Cross multiply
    702,100.55x = 1,053,741.62 × 657,813.80
  4. Step 4: Simplify right side
    702,100.55x = 693,165,779,270.36
  5. Step 5: Solve for x
    x = 693,165,779,270.36/702,100.55
  6. Step 6: Final answer
    x = 987,274.23

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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.