Home / 874,458.04-1,312,068.24-306,246.76

Finding the Fourth Proportional to 874,458.04, 1,312,068.24 and 306,246.76

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Solution

The fourth proportional to 874,458.04, 1,312,068.24 and 306,246.76 is: 459,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,458.04 : 1,312,068.24 = 306,246.76 : x
  2. Step 2: Convert to fraction form
    874,458.04/1,312,068.24 = 306,246.76/x
  3. Step 3: Cross multiply
    874,458.04x = 1,312,068.24 × 306,246.76
  4. Step 4: Simplify right side
    874,458.04x = 401,816,647,398.90
  5. Step 5: Solve for x
    x = 401,816,647,398.90/874,458.04
  6. Step 6: Final answer
    x = 459,503.63

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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.