Home / 778,827.70-1,168,241.55-335,595.70

Finding the Fourth Proportional to 778,827.70, 1,168,241.55 and 335,595.70

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Solution

The fourth proportional to 778,827.70, 1,168,241.55 and 335,595.70 is: 503,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,827.70 : 1,168,241.55 = 335,595.70 : x
  2. Step 2: Convert to fraction form
    778,827.70/1,168,241.55 = 335,595.70/x
  3. Step 3: Cross multiply
    778,827.70x = 1,168,241.55 × 335,595.70
  4. Step 4: Simplify right side
    778,827.70x = 392,056,840,741.34
  5. Step 5: Solve for x
    x = 392,056,840,741.34/778,827.70
  6. Step 6: Final answer
    x = 503,393.55

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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.