Home / 825,505.48-1,238,381.23-292,981.91

Finding the Fourth Proportional to 825,505.48, 1,238,381.23 and 292,981.91

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Solution

The fourth proportional to 825,505.48, 1,238,381.23 and 292,981.91 is: 439,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,505.48 : 1,238,381.23 = 292,981.91 : x
  2. Step 2: Convert to fraction form
    825,505.48/1,238,381.23 = 292,981.91/x
  3. Step 3: Cross multiply
    825,505.48x = 1,238,381.23 × 292,981.91
  4. Step 4: Simplify right side
    825,505.48x = 362,823,298,073.55
  5. Step 5: Solve for x
    x = 362,823,298,073.55/825,505.48
  6. Step 6: Final answer
    x = 439,516.53

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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.