Home / 439,802.72-606,928.93-238,598.72

Finding the Fourth Proportional to 439,802.72, 606,928.93 and 238,598.72

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Solution

The fourth proportional to 439,802.72, 606,928.93 and 238,598.72 is: 329,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,802.72 : 606,928.93 = 238,598.72 : x
  2. Step 2: Convert to fraction form
    439,802.72/606,928.93 = 238,598.72/x
  3. Step 3: Cross multiply
    439,802.72x = 606,928.93 × 238,598.72
  4. Step 4: Simplify right side
    439,802.72x = 144,812,465,828.97
  5. Step 5: Solve for x
    x = 144,812,465,828.97/439,802.72
  6. Step 6: Final answer
    x = 329,266.87

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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.