Home / 885,054.10-1,327,427.55-323,799.70

Finding the Fourth Proportional to 885,054.10, 1,327,427.55 and 323,799.70

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Solution

The fourth proportional to 885,054.10, 1,327,427.55 and 323,799.70 is: 485,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,054.10 : 1,327,427.55 = 323,799.70 : x
  2. Step 2: Convert to fraction form
    885,054.10/1,327,427.55 = 323,799.70/x
  3. Step 3: Cross multiply
    885,054.10x = 1,327,427.55 × 323,799.70
  4. Step 4: Simplify right side
    885,054.10x = 429,820,642,461.74
  5. Step 5: Solve for x
    x = 429,820,642,461.74/885,054.10
  6. Step 6: Final answer
    x = 485,643.35

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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.