Home / 711,292.70-1,066,939.05-513,004.70

Finding the Fourth Proportional to 711,292.70, 1,066,939.05 and 513,004.70

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Solution

The fourth proportional to 711,292.70, 1,066,939.05 and 513,004.70 is: 769,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,292.70 : 1,066,939.05 = 513,004.70 : x
  2. Step 2: Convert to fraction form
    711,292.70/1,066,939.05 = 513,004.70/x
  3. Step 3: Cross multiply
    711,292.70x = 1,066,939.05 × 513,004.70
  4. Step 4: Simplify right side
    711,292.70x = 547,344,747,263.54
  5. Step 5: Solve for x
    x = 547,344,747,263.54/711,292.70
  6. Step 6: Final answer
    x = 769,507.05

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1.5x scale

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.