Home / 843,538.04-1,265,321.72-310,784.84

Finding the Fourth Proportional to 843,538.04, 1,265,321.72 and 310,784.84

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Solution

The fourth proportional to 843,538.04, 1,265,321.72 and 310,784.84 is: 466,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,538.04 : 1,265,321.72 = 310,784.84 : x
  2. Step 2: Convert to fraction form
    843,538.04/1,265,321.72 = 310,784.84/x
  3. Step 3: Cross multiply
    843,538.04x = 1,265,321.72 × 310,784.84
  4. Step 4: Simplify right side
    843,538.04x = 393,242,808,298.73
  5. Step 5: Solve for x
    x = 393,242,808,298.73/843,538.04
  6. Step 6: Final answer
    x = 466,182.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.