Home / 855,239.32-1,282,832.52-406,283.32

Finding the Fourth Proportional to 855,239.32, 1,282,832.52 and 406,283.32

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Solution

The fourth proportional to 855,239.32, 1,282,832.52 and 406,283.32 is: 609,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,239.32 : 1,282,832.52 = 406,283.32 : x
  2. Step 2: Convert to fraction form
    855,239.32/1,282,832.52 = 406,283.32/x
  3. Step 3: Cross multiply
    855,239.32x = 1,282,832.52 × 406,283.32
  4. Step 4: Simplify right side
    855,239.32x = 521,193,455,229.57
  5. Step 5: Solve for x
    x = 521,193,455,229.57/855,239.32
  6. Step 6: Final answer
    x = 609,412.41

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1.5x scale

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.