Home / 910,288.32-1,365,591.04-311,309.44

Finding the Fourth Proportional to 910,288.32, 1,365,591.04 and 311,309.44

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Solution

The fourth proportional to 910,288.32, 1,365,591.04 and 311,309.44 is: 467,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,288.32 : 1,365,591.04 = 311,309.44 : x
  2. Step 2: Convert to fraction form
    910,288.32/1,365,591.04 = 311,309.44/x
  3. Step 3: Cross multiply
    910,288.32x = 1,365,591.04 × 311,309.44
  4. Step 4: Simplify right side
    910,288.32x = 425,121,381,931.42
  5. Step 5: Solve for x
    x = 425,121,381,931.42/910,288.32
  6. Step 6: Final answer
    x = 467,018.39

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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.