Home / 740,423.01-1,109,794.91-340,236.87

Finding the Fourth Proportional to 740,423.01, 1,109,794.91 and 340,236.87

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Solution

The fourth proportional to 740,423.01, 1,109,794.91 and 340,236.87 is: 509,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,423.01 : 1,109,794.91 = 340,236.87 : x
  2. Step 2: Convert to fraction form
    740,423.01/1,109,794.91 = 340,236.87/x
  3. Step 3: Cross multiply
    740,423.01x = 1,109,794.91 × 340,236.87
  4. Step 4: Simplify right side
    740,423.01x = 377,593,140,120.77
  5. Step 5: Solve for x
    x = 377,593,140,120.77/740,423.01
  6. Step 6: Final answer
    x = 509,969.48

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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.