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Finding the Fourth Proportional to 558,098, 772,203.52 and 486,626.88

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Solution

The fourth proportional to 558,098, 772,203.52 and 486,626.88 is: 673,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,098 : 772,203.52 = 486,626.88 : x
  2. Step 2: Convert to fraction form
    558,098/772,203.52 = 486,626.88/x
  3. Step 3: Cross multiply
    558,098x = 772,203.52 × 486,626.88
  4. Step 4: Simplify right side
    558,098x = 375,774,989,662.62
  5. Step 5: Solve for x
    x = 375,774,989,662.62/558,098
  6. Step 6: Final answer
    x = 673,313.63

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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.