Home / 1,323,500.58-1,985,251.29-326,228.58

Finding the Fourth Proportional to 1,323,500.58, 1,985,251.29 and 326,228.58

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Solution

The fourth proportional to 1,323,500.58, 1,985,251.29 and 326,228.58 is: 489,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,500.58 : 1,985,251.29 = 326,228.58 : x
  2. Step 2: Convert to fraction form
    1,323,500.58/1,985,251.29 = 326,228.58/x
  3. Step 3: Cross multiply
    1,323,500.58x = 1,985,251.29 × 326,228.58
  4. Step 4: Simplify right side
    1,323,500.58x = 647,645,709,279.87
  5. Step 5: Solve for x
    x = 647,645,709,279.87/1,323,500.58
  6. Step 6: Final answer
    x = 489,342.97

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Double scale
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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.