Home / 810,674.46-1,118,671.56-448,077.96

Finding the Fourth Proportional to 810,674.46, 1,118,671.56 and 448,077.96

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Solution

The fourth proportional to 810,674.46, 1,118,671.56 and 448,077.96 is: 618,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,674.46 : 1,118,671.56 = 448,077.96 : x
  2. Step 2: Convert to fraction form
    810,674.46/1,118,671.56 = 448,077.96/x
  3. Step 3: Cross multiply
    810,674.46x = 1,118,671.56 × 448,077.96
  4. Step 4: Simplify right side
    810,674.46x = 501,252,070,514.82
  5. Step 5: Solve for x
    x = 501,252,070,514.82/810,674.46
  6. Step 6: Final answer
    x = 618,314.87

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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.