Home / 1,284,925.72-1,927,213.62-338,217.16

Finding the Fourth Proportional to 1,284,925.72, 1,927,213.62 and 338,217.16

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Solution

The fourth proportional to 1,284,925.72, 1,927,213.62 and 338,217.16 is: 507,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,925.72 : 1,927,213.62 = 338,217.16 : x
  2. Step 2: Convert to fraction form
    1,284,925.72/1,927,213.62 = 338,217.16/x
  3. Step 3: Cross multiply
    1,284,925.72x = 1,927,213.62 × 338,217.16
  4. Step 4: Simplify right side
    1,284,925.72x = 651,816,717,269.72
  5. Step 5: Solve for x
    x = 651,816,717,269.72/1,284,925.72
  6. Step 6: Final answer
    x = 507,279.69

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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.