Home / 711,296.70-1,066,945.05-513,008.70

Finding the Fourth Proportional to 711,296.70, 1,066,945.05 and 513,008.70

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Solution

The fourth proportional to 711,296.70, 1,066,945.05 and 513,008.70 is: 769,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,296.70 : 1,066,945.05 = 513,008.70 : x
  2. Step 2: Convert to fraction form
    711,296.70/1,066,945.05 = 513,008.70/x
  3. Step 3: Cross multiply
    711,296.70x = 1,066,945.05 × 513,008.70
  4. Step 4: Simplify right side
    711,296.70x = 547,352,093,071.94
  5. Step 5: Solve for x
    x = 547,352,093,071.94/711,296.70
  6. Step 6: Final answer
    x = 769,513.05

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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.