Home / 646,758.48-892,554.30-360,278.76

Finding the Fourth Proportional to 646,758.48, 892,554.30 and 360,278.76

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Solution

The fourth proportional to 646,758.48, 892,554.30 and 360,278.76 is: 497,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,758.48 : 892,554.30 = 360,278.76 : x
  2. Step 2: Convert to fraction form
    646,758.48/892,554.30 = 360,278.76/x
  3. Step 3: Cross multiply
    646,758.48x = 892,554.30 × 360,278.76
  4. Step 4: Simplify right side
    646,758.48x = 321,568,356,436.67
  5. Step 5: Solve for x
    x = 321,568,356,436.67/646,758.48
  6. Step 6: Final answer
    x = 497,200.06

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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.