Home / 707,719.22-976,680.16-401,824.06

Finding the Fourth Proportional to 707,719.22, 976,680.16 and 401,824.06

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Solution

The fourth proportional to 707,719.22, 976,680.16 and 401,824.06 is: 554,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,719.22 : 976,680.16 = 401,824.06 : x
  2. Step 2: Convert to fraction form
    707,719.22/976,680.16 = 401,824.06/x
  3. Step 3: Cross multiply
    707,719.22x = 976,680.16 × 401,824.06
  4. Step 4: Simplify right side
    707,719.22x = 392,453,582,329.25
  5. Step 5: Solve for x
    x = 392,453,582,329.25/707,719.22
  6. Step 6: Final answer
    x = 554,532.89

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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.