Home / 945,529.20-1,418,488.20-314,895.60

Finding the Fourth Proportional to 945,529.20, 1,418,488.20 and 314,895.60

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Solution

The fourth proportional to 945,529.20, 1,418,488.20 and 314,895.60 is: 472,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,529.20 : 1,418,488.20 = 314,895.60 : x
  2. Step 2: Convert to fraction form
    945,529.20/1,418,488.20 = 314,895.60/x
  3. Step 3: Cross multiply
    945,529.20x = 1,418,488.20 × 314,895.60
  4. Step 4: Simplify right side
    945,529.20x = 446,675,692,831.92
  5. Step 5: Solve for x
    x = 446,675,692,831.92/945,529.20
  6. Step 6: Final answer
    x = 472,408.14

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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.