Home / 672,049.40-1,008,252.30-292,807.40

Finding the Fourth Proportional to 672,049.40, 1,008,252.30 and 292,807.40

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Solution

The fourth proportional to 672,049.40, 1,008,252.30 and 292,807.40 is: 439,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,049.40 : 1,008,252.30 = 292,807.40 : x
  2. Step 2: Convert to fraction form
    672,049.40/1,008,252.30 = 292,807.40/x
  3. Step 3: Cross multiply
    672,049.40x = 1,008,252.30 × 292,807.40
  4. Step 4: Simplify right side
    672,049.40x = 295,223,734,507.02
  5. Step 5: Solve for x
    x = 295,223,734,507.02/672,049.40
  6. Step 6: Final answer
    x = 439,288.74

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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.