Home / 728,384.83-1,092,689.73-248,500.19

Finding the Fourth Proportional to 728,384.83, 1,092,689.73 and 248,500.19

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Solution

The fourth proportional to 728,384.83, 1,092,689.73 and 248,500.19 is: 372,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,384.83 : 1,092,689.73 = 248,500.19 : x
  2. Step 2: Convert to fraction form
    728,384.83/1,092,689.73 = 248,500.19/x
  3. Step 3: Cross multiply
    728,384.83x = 1,092,689.73 × 248,500.19
  4. Step 4: Simplify right side
    728,384.83x = 271,533,608,247.77
  5. Step 5: Solve for x
    x = 271,533,608,247.77/728,384.83
  6. Step 6: Final answer
    x = 372,788.67

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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.