Home / 859,245.51-1,286,904.96-410,280.82

Finding the Fourth Proportional to 859,245.51, 1,286,904.96 and 410,280.82

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Solution

The fourth proportional to 859,245.51, 1,286,904.96 and 410,280.82 is: 614,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,245.51 : 1,286,904.96 = 410,280.82 : x
  2. Step 2: Convert to fraction form
    859,245.51/1,286,904.96 = 410,280.82/x
  3. Step 3: Cross multiply
    859,245.51x = 1,286,904.96 × 410,280.82
  4. Step 4: Simplify right side
    859,245.51x = 527,992,422,250.87
  5. Step 5: Solve for x
    x = 527,992,422,250.87/859,245.51
  6. Step 6: Final answer
    x = 614,483.77

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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.