Home / 784,275.76-1,175,467.66-404,989.72

Finding the Fourth Proportional to 784,275.76, 1,175,467.66 and 404,989.72

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Solution

The fourth proportional to 784,275.76, 1,175,467.66 and 404,989.72 is: 606,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,275.76 : 1,175,467.66 = 404,989.72 : x
  2. Step 2: Convert to fraction form
    784,275.76/1,175,467.66 = 404,989.72/x
  3. Step 3: Cross multiply
    784,275.76x = 1,175,467.66 × 404,989.72
  4. Step 4: Simplify right side
    784,275.76x = 476,052,314,541.31
  5. Step 5: Solve for x
    x = 476,052,314,541.31/784,275.76
  6. Step 6: Final answer
    x = 606,996.09

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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.