Home / 733,641.52-1,012,435.65-443,212.71

Finding the Fourth Proportional to 733,641.52, 1,012,435.65 and 443,212.71

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Solution

The fourth proportional to 733,641.52, 1,012,435.65 and 443,212.71 is: 611,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,641.52 : 1,012,435.65 = 443,212.71 : x
  2. Step 2: Convert to fraction form
    733,641.52/1,012,435.65 = 443,212.71/x
  3. Step 3: Cross multiply
    733,641.52x = 1,012,435.65 × 443,212.71
  4. Step 4: Simplify right side
    733,641.52x = 448,724,348,137.11
  5. Step 5: Solve for x
    x = 448,724,348,137.11/733,641.52
  6. Step 6: Final answer
    x = 611,639.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.