Home / 692,409.30-1,039,068.08-243,118.59

Finding the Fourth Proportional to 692,409.30, 1,039,068.08 and 243,118.59

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Solution

The fourth proportional to 692,409.30, 1,039,068.08 and 243,118.59 is: 364,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,409.30 : 1,039,068.08 = 243,118.59 : x
  2. Step 2: Convert to fraction form
    692,409.30/1,039,068.08 = 243,118.59/x
  3. Step 3: Cross multiply
    692,409.30x = 1,039,068.08 × 243,118.59
  4. Step 4: Simplify right side
    692,409.30x = 252,616,765,308.01
  5. Step 5: Solve for x
    x = 252,616,765,308.01/692,409.30
  6. Step 6: Final answer
    x = 364,837.34

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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.