Home / 821,341.38-1,133,439.15-458,770.41

Finding the Fourth Proportional to 821,341.38, 1,133,439.15 and 458,770.41

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Solution

The fourth proportional to 821,341.38, 1,133,439.15 and 458,770.41 is: 633,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,341.38 : 1,133,439.15 = 458,770.41 : x
  2. Step 2: Convert to fraction form
    821,341.38/1,133,439.15 = 458,770.41/x
  3. Step 3: Cross multiply
    821,341.38x = 1,133,439.15 × 458,770.41
  4. Step 4: Simplify right side
    821,341.38x = 519,988,343,555.55
  5. Step 5: Solve for x
    x = 519,988,343,555.55/821,341.38
  6. Step 6: Final answer
    x = 633,096.49

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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.