Home / 989,233.03-1,365,141.62-559,503.93

Finding the Fourth Proportional to 989,233.03, 1,365,141.62 and 559,503.93

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Solution

The fourth proportional to 989,233.03, 1,365,141.62 and 559,503.93 is: 772,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,233.03 : 1,365,141.62 = 559,503.93 : x
  2. Step 2: Convert to fraction form
    989,233.03/1,365,141.62 = 559,503.93/x
  3. Step 3: Cross multiply
    989,233.03x = 1,365,141.62 × 559,503.93
  4. Step 4: Simplify right side
    989,233.03x = 763,802,101,396.57
  5. Step 5: Solve for x
    x = 763,802,101,396.57/989,233.03
  6. Step 6: Final answer
    x = 772,115.45

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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.