Home / 826,346.56-1,239,403.20-265,308.16

Finding the Fourth Proportional to 826,346.56, 1,239,403.20 and 265,308.16

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Solution

The fourth proportional to 826,346.56, 1,239,403.20 and 265,308.16 is: 397,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,346.56 : 1,239,403.20 = 265,308.16 : x
  2. Step 2: Convert to fraction form
    826,346.56/1,239,403.20 = 265,308.16/x
  3. Step 3: Cross multiply
    826,346.56x = 1,239,403.20 × 265,308.16
  4. Step 4: Simplify right side
    826,346.56x = 328,823,782,490.11
  5. Step 5: Solve for x
    x = 328,823,782,490.11/826,346.56
  6. Step 6: Final answer
    x = 397,924.79

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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.