Home / 827,435.23-1,241,128.13-228,432.94

Finding the Fourth Proportional to 827,435.23, 1,241,128.13 and 228,432.94

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Solution

The fourth proportional to 827,435.23, 1,241,128.13 and 228,432.94 is: 342,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,435.23 : 1,241,128.13 = 228,432.94 : x
  2. Step 2: Convert to fraction form
    827,435.23/1,241,128.13 = 228,432.94/x
  3. Step 3: Cross multiply
    827,435.23x = 1,241,128.13 × 228,432.94
  4. Step 4: Simplify right side
    827,435.23x = 283,514,547,652.60
  5. Step 5: Solve for x
    x = 283,514,547,652.60/827,435.23
  6. Step 6: Final answer
    x = 342,642.59

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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.