Home / 1,005,357.80-1,508,255.40-331,324.40

Finding the Fourth Proportional to 1,005,357.80, 1,508,255.40 and 331,324.40

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Solution

The fourth proportional to 1,005,357.80, 1,508,255.40 and 331,324.40 is: 497,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,357.80 : 1,508,255.40 = 331,324.40 : x
  2. Step 2: Convert to fraction form
    1,005,357.80/1,508,255.40 = 331,324.40/x
  3. Step 3: Cross multiply
    1,005,357.80x = 1,508,255.40 × 331,324.40
  4. Step 4: Simplify right side
    1,005,357.80x = 499,721,815,451.76
  5. Step 5: Solve for x
    x = 499,721,815,451.76/1,005,357.80
  6. Step 6: Final answer
    x = 497,058.67

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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.