Home / 756,738.45-1,044,259.70-470,252.39

Finding the Fourth Proportional to 756,738.45, 1,044,259.70 and 470,252.39

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Solution

The fourth proportional to 756,738.45, 1,044,259.70 and 470,252.39 is: 648,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,738.45 : 1,044,259.70 = 470,252.39 : x
  2. Step 2: Convert to fraction form
    756,738.45/1,044,259.70 = 470,252.39/x
  3. Step 3: Cross multiply
    756,738.45x = 1,044,259.70 × 470,252.39
  4. Step 4: Simplify right side
    756,738.45x = 491,065,612,133.12
  5. Step 5: Solve for x
    x = 491,065,612,133.12/756,738.45
  6. Step 6: Final answer
    x = 648,923.83

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Double scale
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1.5x scale

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.