Home / 829,458.40-1,244,341.20-268,511.20

Finding the Fourth Proportional to 829,458.40, 1,244,341.20 and 268,511.20

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Solution

The fourth proportional to 829,458.40, 1,244,341.20 and 268,511.20 is: 402,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,458.40 : 1,244,341.20 = 268,511.20 : x
  2. Step 2: Convert to fraction form
    829,458.40/1,244,341.20 = 268,511.20/x
  3. Step 3: Cross multiply
    829,458.40x = 1,244,341.20 × 268,511.20
  4. Step 4: Simplify right side
    829,458.40x = 334,119,548,821.44
  5. Step 5: Solve for x
    x = 334,119,548,821.44/829,458.40
  6. Step 6: Final answer
    x = 402,816.52

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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.