Home / 987,543.22-1,362,920.57-557,851.01

Finding the Fourth Proportional to 987,543.22, 1,362,920.57 and 557,851.01

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Solution

The fourth proportional to 987,543.22, 1,362,920.57 and 557,851.01 is: 769,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,543.22 : 1,362,920.57 = 557,851.01 : x
  2. Step 2: Convert to fraction form
    987,543.22/1,362,920.57 = 557,851.01/x
  3. Step 3: Cross multiply
    987,543.22x = 1,362,920.57 × 557,851.01
  4. Step 4: Simplify right side
    987,543.22x = 760,306,617,142.32
  5. Step 5: Solve for x
    x = 760,306,617,142.32/987,543.22
  6. Step 6: Final answer
    x = 769,897.06

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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.