Home / 910,696.20-1,366,110.60-349,730.70

Finding the Fourth Proportional to 910,696.20, 1,366,110.60 and 349,730.70

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Solution

The fourth proportional to 910,696.20, 1,366,110.60 and 349,730.70 is: 524,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,696.20 : 1,366,110.60 = 349,730.70 : x
  2. Step 2: Convert to fraction form
    910,696.20/1,366,110.60 = 349,730.70/x
  3. Step 3: Cross multiply
    910,696.20x = 1,366,110.60 × 349,730.70
  4. Step 4: Simplify right side
    910,696.20x = 477,770,816,415.42
  5. Step 5: Solve for x
    x = 477,770,816,415.42/910,696.20
  6. Step 6: Final answer
    x = 524,621.51

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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.