Home / 641,730.04-885,597.90-351,336.76

Finding the Fourth Proportional to 641,730.04, 885,597.90 and 351,336.76

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Solution

The fourth proportional to 641,730.04, 885,597.90 and 351,336.76 is: 484,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,730.04 : 885,597.90 = 351,336.76 : x
  2. Step 2: Convert to fraction form
    641,730.04/885,597.90 = 351,336.76/x
  3. Step 3: Cross multiply
    641,730.04x = 885,597.90 × 351,336.76
  4. Step 4: Simplify right side
    641,730.04x = 311,143,096,848.80
  5. Step 5: Solve for x
    x = 311,143,096,848.80/641,730.04
  6. Step 6: Final answer
    x = 484,850.45

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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.