Home / 810,884.18-1,119,043.54-448,331.46

Finding the Fourth Proportional to 810,884.18, 1,119,043.54 and 448,331.46

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Solution

The fourth proportional to 810,884.18, 1,119,043.54 and 448,331.46 is: 618,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,884.18 : 1,119,043.54 = 448,331.46 : x
  2. Step 2: Convert to fraction form
    810,884.18/1,119,043.54 = 448,331.46/x
  3. Step 3: Cross multiply
    810,884.18x = 1,119,043.54 × 448,331.46
  4. Step 4: Simplify right side
    810,884.18x = 501,702,420,455.77
  5. Step 5: Solve for x
    x = 501,702,420,455.77/810,884.18
  6. Step 6: Final answer
    x = 618,710.33

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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.