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Finding the Fourth Proportional to 490,000.40, 734,827.80 and 223,888.40

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Solution

The fourth proportional to 490,000.40, 734,827.80 and 223,888.40 is: 335,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,000.40 : 734,827.80 = 223,888.40 : x
  2. Step 2: Convert to fraction form
    490,000.40/734,827.80 = 223,888.40/x
  3. Step 3: Cross multiply
    490,000.40x = 734,827.80 × 223,888.40
  4. Step 4: Simplify right side
    490,000.40x = 164,519,420,417.52
  5. Step 5: Solve for x
    x = 164,519,420,417.52/490,000.40
  6. Step 6: Final answer
    x = 335,753.65

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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.