Home / 628,349.46-867,143.86-341,880.42

Finding the Fourth Proportional to 628,349.46, 867,143.86 and 341,880.42

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Solution

The fourth proportional to 628,349.46, 867,143.86 and 341,880.42 is: 471,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,349.46 : 867,143.86 = 341,880.42 : x
  2. Step 2: Convert to fraction form
    628,349.46/867,143.86 = 341,880.42/x
  3. Step 3: Cross multiply
    628,349.46x = 867,143.86 × 341,880.42
  4. Step 4: Simplify right side
    628,349.46x = 296,459,507,057.22
  5. Step 5: Solve for x
    x = 296,459,507,057.22/628,349.46
  6. Step 6: Final answer
    x = 471,806.73

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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.