Home / 740,279.28-1,110,252.84-340,536.24

Finding the Fourth Proportional to 740,279.28, 1,110,252.84 and 340,536.24

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Solution

The fourth proportional to 740,279.28, 1,110,252.84 and 340,536.24 is: 510,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,279.28 : 1,110,252.84 = 340,536.24 : x
  2. Step 2: Convert to fraction form
    740,279.28/1,110,252.84 = 340,536.24/x
  3. Step 3: Cross multiply
    740,279.28x = 1,110,252.84 × 340,536.24
  4. Step 4: Simplify right side
    740,279.28x = 378,081,327,582.92
  5. Step 5: Solve for x
    x = 378,081,327,582.92/740,279.28
  6. Step 6: Final answer
    x = 510,727.96

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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.