Home / 668,835.40-1,003,253.10-295,587.40

Finding the Fourth Proportional to 668,835.40, 1,003,253.10 and 295,587.40

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Solution

The fourth proportional to 668,835.40, 1,003,253.10 and 295,587.40 is: 443,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,835.40 : 1,003,253.10 = 295,587.40 : x
  2. Step 2: Convert to fraction form
    668,835.40/1,003,253.10 = 295,587.40/x
  3. Step 3: Cross multiply
    668,835.40x = 1,003,253.10 × 295,587.40
  4. Step 4: Simplify right side
    668,835.40x = 296,548,975,370.94
  5. Step 5: Solve for x
    x = 296,548,975,370.94/668,835.40
  6. Step 6: Final answer
    x = 443,381.10

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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.