Home / 840,404.19-1,260,360.22-334,797.12

Finding the Fourth Proportional to 840,404.19, 1,260,360.22 and 334,797.12

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Solution

The fourth proportional to 840,404.19, 1,260,360.22 and 334,797.12 is: 502,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,404.19 : 1,260,360.22 = 334,797.12 : x
  2. Step 2: Convert to fraction form
    840,404.19/1,260,360.22 = 334,797.12/x
  3. Step 3: Cross multiply
    840,404.19x = 1,260,360.22 × 334,797.12
  4. Step 4: Simplify right side
    840,404.19x = 421,964,971,818.57
  5. Step 5: Solve for x
    x = 421,964,971,818.57/840,404.19
  6. Step 6: Final answer
    x = 502,097.65

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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.