Home / 917,736.54-1,376,631.93-438,014.88

Finding the Fourth Proportional to 917,736.54, 1,376,631.93 and 438,014.88

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Solution

The fourth proportional to 917,736.54, 1,376,631.93 and 438,014.88 is: 657,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,736.54 : 1,376,631.93 = 438,014.88 : x
  2. Step 2: Convert to fraction form
    917,736.54/1,376,631.93 = 438,014.88/x
  3. Step 3: Cross multiply
    917,736.54x = 1,376,631.93 × 438,014.88
  4. Step 4: Simplify right side
    917,736.54x = 602,985,269,623.12
  5. Step 5: Solve for x
    x = 602,985,269,623.12/917,736.54
  6. Step 6: Final answer
    x = 657,035.26

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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.