Home / 987,647.73-1,363,064.51-557,955.53

Finding the Fourth Proportional to 987,647.73, 1,363,064.51 and 557,955.53

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Solution

The fourth proportional to 987,647.73, 1,363,064.51 and 557,955.53 is: 770,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,647.73 : 1,363,064.51 = 557,955.53 : x
  2. Step 2: Convert to fraction form
    987,647.73/1,363,064.51 = 557,955.53/x
  3. Step 3: Cross multiply
    987,647.73x = 1,363,064.51 × 557,955.53
  4. Step 4: Simplify right side
    987,647.73x = 760,529,371,496.14
  5. Step 5: Solve for x
    x = 760,529,371,496.14/987,647.73
  6. Step 6: Final answer
    x = 770,041.13

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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.