Home / 917,727.27-1,376,618.06-438,005.62

Finding the Fourth Proportional to 917,727.27, 1,376,618.06 and 438,005.62

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Solution

The fourth proportional to 917,727.27, 1,376,618.06 and 438,005.62 is: 657,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,727.27 : 1,376,618.06 = 438,005.62 : x
  2. Step 2: Convert to fraction form
    917,727.27/1,376,618.06 = 438,005.62/x
  3. Step 3: Cross multiply
    917,727.27x = 1,376,618.06 × 438,005.62
  4. Step 4: Simplify right side
    917,727.27x = 602,966,449,689.28
  5. Step 5: Solve for x
    x = 602,966,449,689.28/917,727.27
  6. Step 6: Final answer
    x = 657,021.40

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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.