Home / 790,450.71-1,090,822.64-427,873.46

Finding the Fourth Proportional to 790,450.71, 1,090,822.64 and 427,873.46

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Solution

The fourth proportional to 790,450.71, 1,090,822.64 and 427,873.46 is: 590,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,450.71 : 1,090,822.64 = 427,873.46 : x
  2. Step 2: Convert to fraction form
    790,450.71/1,090,822.64 = 427,873.46/x
  3. Step 3: Cross multiply
    790,450.71x = 1,090,822.64 × 427,873.46
  4. Step 4: Simplify right side
    790,450.71x = 466,734,049,629.65
  5. Step 5: Solve for x
    x = 466,734,049,629.65/790,450.71
  6. Step 6: Final answer
    x = 590,465.72

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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.