Home / 750,047.91-1,035,068.85-405,883.80

Finding the Fourth Proportional to 750,047.91, 1,035,068.85 and 405,883.80

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Solution

The fourth proportional to 750,047.91, 1,035,068.85 and 405,883.80 is: 560,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,047.91 : 1,035,068.85 = 405,883.80 : x
  2. Step 2: Convert to fraction form
    750,047.91/1,035,068.85 = 405,883.80/x
  3. Step 3: Cross multiply
    750,047.91x = 1,035,068.85 × 405,883.80
  4. Step 4: Simplify right side
    750,047.91x = 420,117,678,099.63
  5. Step 5: Solve for x
    x = 420,117,678,099.63/750,047.91
  6. Step 6: Final answer
    x = 560,121.12

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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.