Home / 780,596.50-1,077,224.97-436,444.69

Finding the Fourth Proportional to 780,596.50, 1,077,224.97 and 436,444.69

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Solution

The fourth proportional to 780,596.50, 1,077,224.97 and 436,444.69 is: 602,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,596.50 : 1,077,224.97 = 436,444.69 : x
  2. Step 2: Convert to fraction form
    780,596.50/1,077,224.97 = 436,444.69/x
  3. Step 3: Cross multiply
    780,596.50x = 1,077,224.97 × 436,444.69
  4. Step 4: Simplify right side
    780,596.50x = 470,149,118,091.91
  5. Step 5: Solve for x
    x = 470,149,118,091.91/780,596.50
  6. Step 6: Final answer
    x = 602,294.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.