Home / 810,886.18-1,119,046.30-448,333.46

Finding the Fourth Proportional to 810,886.18, 1,119,046.30 and 448,333.46

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Solution

The fourth proportional to 810,886.18, 1,119,046.30 and 448,333.46 is: 618,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,886.18 : 1,119,046.30 = 448,333.46 : x
  2. Step 2: Convert to fraction form
    810,886.18/1,119,046.30 = 448,333.46/x
  3. Step 3: Cross multiply
    810,886.18x = 1,119,046.30 × 448,333.46
  4. Step 4: Simplify right side
    810,886.18x = 501,705,899,579.20
  5. Step 5: Solve for x
    x = 501,705,899,579.20/810,886.18
  6. Step 6: Final answer
    x = 618,713.10

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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.