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Finding the Fourth Proportional to 788,971, 1,088,523.60 and 482,728.14

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Solution

The fourth proportional to 788,971, 1,088,523.60 and 482,728.14 is: 666,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,971 : 1,088,523.60 = 482,728.14 : x
  2. Step 2: Convert to fraction form
    788,971/1,088,523.60 = 482,728.14/x
  3. Step 3: Cross multiply
    788,971x = 1,088,523.60 × 482,728.14
  4. Step 4: Simplify right side
    788,971x = 525,460,972,774.10
  5. Step 5: Solve for x
    x = 525,460,972,774.10/788,971
  6. Step 6: Final answer
    x = 666,007.97

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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.