Home / 790,849.64-1,186,029.34-285,345.11

Finding the Fourth Proportional to 790,849.64, 1,186,029.34 and 285,345.11

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Solution

The fourth proportional to 790,849.64, 1,186,029.34 and 285,345.11 is: 427,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,849.64 : 1,186,029.34 = 285,345.11 : x
  2. Step 2: Convert to fraction form
    790,849.64/1,186,029.34 = 285,345.11/x
  3. Step 3: Cross multiply
    790,849.64x = 1,186,029.34 × 285,345.11
  4. Step 4: Simplify right side
    790,849.64x = 338,427,674,737.24
  5. Step 5: Solve for x
    x = 338,427,674,737.24/790,849.64
  6. Step 6: Final answer
    x = 427,929.23

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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.