Home / 600,720.96-828,961.16-328,788.28

Finding the Fourth Proportional to 600,720.96, 828,961.16 and 328,788.28

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Solution

The fourth proportional to 600,720.96, 828,961.16 and 328,788.28 is: 453,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,720.96 : 828,961.16 = 328,788.28 : x
  2. Step 2: Convert to fraction form
    600,720.96/828,961.16 = 328,788.28/x
  3. Step 3: Cross multiply
    600,720.96x = 828,961.16 × 328,788.28
  4. Step 4: Simplify right side
    600,720.96x = 272,552,713,983.21
  5. Step 5: Solve for x
    x = 272,552,713,983.21/600,720.96
  6. Step 6: Final answer
    x = 453,709.35

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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.