Home / 875,361.34-1,313,632.11-306,747.55

Finding the Fourth Proportional to 875,361.34, 1,313,632.11 and 306,747.55

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Solution

The fourth proportional to 875,361.34, 1,313,632.11 and 306,747.55 is: 460,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,361.34 : 1,313,632.11 = 306,747.55 : x
  2. Step 2: Convert to fraction form
    875,361.34/1,313,632.11 = 306,747.55/x
  3. Step 3: Cross multiply
    875,361.34x = 1,313,632.11 × 306,747.55
  4. Step 4: Simplify right side
    875,361.34x = 402,953,431,343.83
  5. Step 5: Solve for x
    x = 402,953,431,343.83/875,361.34
  6. Step 6: Final answer
    x = 460,328.11

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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.