Home / 646,624.94-892,370.11-360,145.10

Finding the Fourth Proportional to 646,624.94, 892,370.11 and 360,145.10

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Solution

The fourth proportional to 646,624.94, 892,370.11 and 360,145.10 is: 497,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,624.94 : 892,370.11 = 360,145.10 : x
  2. Step 2: Convert to fraction form
    646,624.94/892,370.11 = 360,145.10/x
  3. Step 3: Cross multiply
    646,624.94x = 892,370.11 × 360,145.10
  4. Step 4: Simplify right side
    646,624.94x = 321,382,722,502.96
  5. Step 5: Solve for x
    x = 321,382,722,502.96/646,624.94
  6. Step 6: Final answer
    x = 497,015.66

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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.