Home / 809,473.40-1,117,074.95-446,897.96

Finding the Fourth Proportional to 809,473.40, 1,117,074.95 and 446,897.96

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Solution

The fourth proportional to 809,473.40, 1,117,074.95 and 446,897.96 is: 616,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,473.40 : 1,117,074.95 = 446,897.96 : x
  2. Step 2: Convert to fraction form
    809,473.40/1,117,074.95 = 446,897.96/x
  3. Step 3: Cross multiply
    809,473.40x = 1,117,074.95 × 446,897.96
  4. Step 4: Simplify right side
    809,473.40x = 499,218,514,367.14
  5. Step 5: Solve for x
    x = 499,218,514,367.14/809,473.40
  6. Step 6: Final answer
    x = 616,720.10

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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.