Home / 756,744.18-1,044,332.13-450,778.79

Finding the Fourth Proportional to 756,744.18, 1,044,332.13 and 450,778.79

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Solution

The fourth proportional to 756,744.18, 1,044,332.13 and 450,778.79 is: 622,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,744.18 : 1,044,332.13 = 450,778.79 : x
  2. Step 2: Convert to fraction form
    756,744.18/1,044,332.13 = 450,778.79/x
  3. Step 3: Cross multiply
    756,744.18x = 1,044,332.13 × 450,778.79
  4. Step 4: Simplify right side
    756,744.18x = 470,762,768,697.86
  5. Step 5: Solve for x
    x = 470,762,768,697.86/756,744.18
  6. Step 6: Final answer
    x = 622,089.71

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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.