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Finding the Fourth Proportional to 560,200.40, 773,053.12 and 305,536.40

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Solution

The fourth proportional to 560,200.40, 773,053.12 and 305,536.40 is: 421,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,200.40 : 773,053.12 = 305,536.40 : x
  2. Step 2: Convert to fraction form
    560,200.40/773,053.12 = 305,536.40/x
  3. Step 3: Cross multiply
    560,200.40x = 773,053.12 × 305,536.40
  4. Step 4: Simplify right side
    560,200.40x = 236,195,867,293.57
  5. Step 5: Solve for x
    x = 236,195,867,293.57/560,200.40
  6. Step 6: Final answer
    x = 421,627.45

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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.