Home / 808,993.15-1,116,632.60-469,570.75

Finding the Fourth Proportional to 808,993.15, 1,116,632.60 and 469,570.75

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Solution

The fourth proportional to 808,993.15, 1,116,632.60 and 469,570.75 is: 648,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,993.15 : 1,116,632.60 = 469,570.75 : x
  2. Step 2: Convert to fraction form
    808,993.15/1,116,632.60 = 469,570.75/x
  3. Step 3: Cross multiply
    808,993.15x = 1,116,632.60 × 469,570.75
  4. Step 4: Simplify right side
    808,993.15x = 524,338,007,456.45
  5. Step 5: Solve for x
    x = 524,338,007,456.45/808,993.15
  6. Step 6: Final answer
    x = 648,136.52

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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.