Home / 417,419.10-576,039.81-226,433.85

Finding the Fourth Proportional to 417,419.10, 576,039.81 and 226,433.85

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Solution

The fourth proportional to 417,419.10, 576,039.81 and 226,433.85 is: 312,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,419.10 : 576,039.81 = 226,433.85 : x
  2. Step 2: Convert to fraction form
    417,419.10/576,039.81 = 226,433.85/x
  3. Step 3: Cross multiply
    417,419.10x = 576,039.81 × 226,433.85
  4. Step 4: Simplify right side
    417,419.10x = 130,434,911,931.57
  5. Step 5: Solve for x
    x = 130,434,911,931.57/417,419.10
  6. Step 6: Final answer
    x = 312,479.50

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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.