Home / 805,646.25-1,111,793.04-466,136.37

Finding the Fourth Proportional to 805,646.25, 1,111,793.04 and 466,136.37

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Solution

The fourth proportional to 805,646.25, 1,111,793.04 and 466,136.37 is: 643,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,646.25 : 1,111,793.04 = 466,136.37 : x
  2. Step 2: Convert to fraction form
    805,646.25/1,111,793.04 = 466,136.37/x
  3. Step 3: Cross multiply
    805,646.25x = 1,111,793.04 × 466,136.37
  4. Step 4: Simplify right side
    805,646.25x = 518,247,171,856.87
  5. Step 5: Solve for x
    x = 518,247,171,856.87/805,646.25
  6. Step 6: Final answer
    x = 643,268.89

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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.