Home / 630,032.46-869,465.79-343,568.27

Finding the Fourth Proportional to 630,032.46, 869,465.79 and 343,568.27

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Solution

The fourth proportional to 630,032.46, 869,465.79 and 343,568.27 is: 474,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,032.46 : 869,465.79 = 343,568.27 : x
  2. Step 2: Convert to fraction form
    630,032.46/869,465.79 = 343,568.27/x
  3. Step 3: Cross multiply
    630,032.46x = 869,465.79 × 343,568.27
  4. Step 4: Simplify right side
    630,032.46x = 298,720,852,947.15
  5. Step 5: Solve for x
    x = 298,720,852,947.15/630,032.46
  6. Step 6: Final answer
    x = 474,135.65

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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.