Home / 740,161.62-1,109,575.40-340,596.72

Finding the Fourth Proportional to 740,161.62, 1,109,575.40 and 340,596.72

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Solution

The fourth proportional to 740,161.62, 1,109,575.40 and 340,596.72 is: 510,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,161.62 : 1,109,575.40 = 340,596.72 : x
  2. Step 2: Convert to fraction form
    740,161.62/1,109,575.40 = 340,596.72/x
  3. Step 3: Cross multiply
    740,161.62x = 1,109,575.40 × 340,596.72
  4. Step 4: Simplify right side
    740,161.62x = 377,917,740,129.70
  5. Step 5: Solve for x
    x = 377,917,740,129.70/740,161.62
  6. Step 6: Final answer
    x = 510,588.13

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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.