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Finding the Fourth Proportional to 440,199.52, 660,676.32 and 436,886.08

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Solution

The fourth proportional to 440,199.52, 660,676.32 and 436,886.08 is: 655,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,199.52 : 660,676.32 = 436,886.08 : x
  2. Step 2: Convert to fraction form
    440,199.52/660,676.32 = 436,886.08/x
  3. Step 3: Cross multiply
    440,199.52x = 660,676.32 × 436,886.08
  4. Step 4: Simplify right side
    440,199.52x = 288,640,287,593.63
  5. Step 5: Solve for x
    x = 288,640,287,593.63/440,199.52
  6. Step 6: Final answer
    x = 655,703.32

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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.