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Finding the Fourth Proportional to 703,271.19, 970,514.70 and 380,982.57

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Solution

The fourth proportional to 703,271.19, 970,514.70 and 380,982.57 is: 525,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,271.19 : 970,514.70 = 380,982.57 : x
  2. Step 2: Convert to fraction form
    703,271.19/970,514.70 = 380,982.57/x
  3. Step 3: Cross multiply
    703,271.19x = 970,514.70 × 380,982.57
  4. Step 4: Simplify right side
    703,271.19x = 369,749,184,628.78
  5. Step 5: Solve for x
    x = 369,749,184,628.78/703,271.19
  6. Step 6: Final answer
    x = 525,756.19

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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.