Home / 668,723.40-1,003,085.10-295,475.40

Finding the Fourth Proportional to 668,723.40, 1,003,085.10 and 295,475.40

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Solution

The fourth proportional to 668,723.40, 1,003,085.10 and 295,475.40 is: 443,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,723.40 : 1,003,085.10 = 295,475.40 : x
  2. Step 2: Convert to fraction form
    668,723.40/1,003,085.10 = 295,475.40/x
  3. Step 3: Cross multiply
    668,723.40x = 1,003,085.10 × 295,475.40
  4. Step 4: Simplify right side
    668,723.40x = 296,386,971,156.54
  5. Step 5: Solve for x
    x = 296,386,971,156.54/668,723.40
  6. Step 6: Final answer
    x = 443,213.10

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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.