Home / 692,407.80-1,039,065.83-243,117.09

Finding the Fourth Proportional to 692,407.80, 1,039,065.83 and 243,117.09

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Solution

The fourth proportional to 692,407.80, 1,039,065.83 and 243,117.09 is: 364,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,407.80 : 1,039,065.83 = 243,117.09 : x
  2. Step 2: Convert to fraction form
    692,407.80/1,039,065.83 = 243,117.09/x
  3. Step 3: Cross multiply
    692,407.80x = 1,039,065.83 × 243,117.09
  4. Step 4: Simplify right side
    692,407.80x = 252,614,659,692.45
  5. Step 5: Solve for x
    x = 252,614,659,692.45/692,407.80
  6. Step 6: Final answer
    x = 364,835.09

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Double scale
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Similar ratio
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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.