Home / 852,424.40-1,278,175.80-353,838.80

Finding the Fourth Proportional to 852,424.40, 1,278,175.80 and 353,838.80

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Solution

The fourth proportional to 852,424.40, 1,278,175.80 and 353,838.80 is: 530,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,424.40 : 1,278,175.80 = 353,838.80 : x
  2. Step 2: Convert to fraction form
    852,424.40/1,278,175.80 = 353,838.80/x
  3. Step 3: Cross multiply
    852,424.40x = 1,278,175.80 × 353,838.80
  4. Step 4: Simplify right side
    852,424.40x = 452,268,191,261.04
  5. Step 5: Solve for x
    x = 452,268,191,261.04/852,424.40
  6. Step 6: Final answer
    x = 530,566.92

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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.