Home / 744,786.90-1,116,305.55-344,582.30

Finding the Fourth Proportional to 744,786.90, 1,116,305.55 and 344,582.30

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Solution

The fourth proportional to 744,786.90, 1,116,305.55 and 344,582.30 is: 516,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,786.90 : 1,116,305.55 = 344,582.30 : x
  2. Step 2: Convert to fraction form
    744,786.90/1,116,305.55 = 344,582.30/x
  3. Step 3: Cross multiply
    744,786.90x = 1,116,305.55 × 344,582.30
  4. Step 4: Simplify right side
    744,786.90x = 384,659,136,712.53
  5. Step 5: Solve for x
    x = 384,659,136,712.53/744,786.90
  6. Step 6: Final answer
    x = 516,468.72

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Double scale
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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.