Home / 447,746.50-617,887.10-243,797.32

Finding the Fourth Proportional to 447,746.50, 617,887.10 and 243,797.32

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Solution

The fourth proportional to 447,746.50, 617,887.10 and 243,797.32 is: 336,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,746.50 : 617,887.10 = 243,797.32 : x
  2. Step 2: Convert to fraction form
    447,746.50/617,887.10 = 243,797.32/x
  3. Step 3: Cross multiply
    447,746.50x = 617,887.10 × 243,797.32
  4. Step 4: Simplify right side
    447,746.50x = 150,639,219,042.57
  5. Step 5: Solve for x
    x = 150,639,219,042.57/447,746.50
  6. Step 6: Final answer
    x = 336,438.63

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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.