Home / 740,287.08-1,110,430.62-424,069.56

Finding the Fourth Proportional to 740,287.08, 1,110,430.62 and 424,069.56

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Solution

The fourth proportional to 740,287.08, 1,110,430.62 and 424,069.56 is: 636,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,287.08 : 1,110,430.62 = 424,069.56 : x
  2. Step 2: Convert to fraction form
    740,287.08/1,110,430.62 = 424,069.56/x
  3. Step 3: Cross multiply
    740,287.08x = 1,110,430.62 × 424,069.56
  4. Step 4: Simplify right side
    740,287.08x = 470,899,824,433.93
  5. Step 5: Solve for x
    x = 470,899,824,433.93/740,287.08
  6. Step 6: Final answer
    x = 636,104.34

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Similar ratio
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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.