Home / 608,019.08-839,149.68-349,890.72

Finding the Fourth Proportional to 608,019.08, 839,149.68 and 349,890.72

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Solution

The fourth proportional to 608,019.08, 839,149.68 and 349,890.72 is: 482,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,019.08 : 839,149.68 = 349,890.72 : x
  2. Step 2: Convert to fraction form
    608,019.08/839,149.68 = 349,890.72/x
  3. Step 3: Cross multiply
    608,019.08x = 839,149.68 × 349,890.72
  4. Step 4: Simplify right side
    608,019.08x = 293,610,685,722.97
  5. Step 5: Solve for x
    x = 293,610,685,722.97/608,019.08
  6. Step 6: Final answer
    x = 482,897.16

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1.5x scale

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.