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Finding the Fourth Proportional to 650,822.40, 976,233.60 and 472,492.80

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Solution

The fourth proportional to 650,822.40, 976,233.60 and 472,492.80 is: 708,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,822.40 : 976,233.60 = 472,492.80 : x
  2. Step 2: Convert to fraction form
    650,822.40/976,233.60 = 472,492.80/x
  3. Step 3: Cross multiply
    650,822.40x = 976,233.60 × 472,492.80
  4. Step 4: Simplify right side
    650,822.40x = 461,263,347,118.08
  5. Step 5: Solve for x
    x = 461,263,347,118.08/650,822.40
  6. Step 6: Final answer
    x = 708,739.20

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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.