Home / 726,749.70-1,090,124.55-569,112.90

Finding the Fourth Proportional to 726,749.70, 1,090,124.55 and 569,112.90

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Solution

The fourth proportional to 726,749.70, 1,090,124.55 and 569,112.90 is: 853,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,749.70 : 1,090,124.55 = 569,112.90 : x
  2. Step 2: Convert to fraction form
    726,749.70/1,090,124.55 = 569,112.90/x
  3. Step 3: Cross multiply
    726,749.70x = 1,090,124.55 × 569,112.90
  4. Step 4: Simplify right side
    726,749.70x = 620,403,944,011.70
  5. Step 5: Solve for x
    x = 620,403,944,011.70/726,749.70
  6. Step 6: Final answer
    x = 853,669.35

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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.