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Finding the Fourth Proportional to 540,219.24, 745,482.52 and 298,496.81

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Solution

The fourth proportional to 540,219.24, 745,482.52 and 298,496.81 is: 411,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,219.24 : 745,482.52 = 298,496.81 : x
  2. Step 2: Convert to fraction form
    540,219.24/745,482.52 = 298,496.81/x
  3. Step 3: Cross multiply
    540,219.24x = 745,482.52 × 298,496.81
  4. Step 4: Simplify right side
    540,219.24x = 222,524,150,403.35
  5. Step 5: Solve for x
    x = 222,524,150,403.35/540,219.24
  6. Step 6: Final answer
    x = 411,914.53

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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.