Home / 672,947.74-1,009,612.29-273,874.92

Finding the Fourth Proportional to 672,947.74, 1,009,612.29 and 273,874.92

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Solution

The fourth proportional to 672,947.74, 1,009,612.29 and 273,874.92 is: 410,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,947.74 : 1,009,612.29 = 273,874.92 : x
  2. Step 2: Convert to fraction form
    672,947.74/1,009,612.29 = 273,874.92/x
  3. Step 3: Cross multiply
    672,947.74x = 1,009,612.29 × 273,874.92
  4. Step 4: Simplify right side
    672,947.74x = 276,507,480,106.71
  5. Step 5: Solve for x
    x = 276,507,480,106.71/672,947.74
  6. Step 6: Final answer
    x = 410,889.98

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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.