Home / 627,406.74-940,452.15-307,116.93

Finding the Fourth Proportional to 627,406.74, 940,452.15 and 307,116.93

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Solution

The fourth proportional to 627,406.74, 940,452.15 and 307,116.93 is: 460,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,406.74 : 940,452.15 = 307,116.93 : x
  2. Step 2: Convert to fraction form
    627,406.74/940,452.15 = 307,116.93/x
  3. Step 3: Cross multiply
    627,406.74x = 940,452.15 × 307,116.93
  4. Step 4: Simplify right side
    627,406.74x = 288,828,777,119.90
  5. Step 5: Solve for x
    x = 288,828,777,119.90/627,406.74
  6. Step 6: Final answer
    x = 460,353.32

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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.