Home / 602,221.56-828,979.86-520,512.60

Finding the Fourth Proportional to 602,221.56, 828,979.86 and 520,512.60

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Solution

The fourth proportional to 602,221.56, 828,979.86 and 520,512.60 is: 716,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,221.56 : 828,979.86 = 520,512.60 : x
  2. Step 2: Convert to fraction form
    602,221.56/828,979.86 = 520,512.60/x
  3. Step 3: Cross multiply
    602,221.56x = 828,979.86 × 520,512.60
  4. Step 4: Simplify right side
    602,221.56x = 431,494,462,276.24
  5. Step 5: Solve for x
    x = 431,494,462,276.24/602,221.56
  6. Step 6: Final answer
    x = 716,504.51

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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.