Home / 890,705.60-1,229,150.40-482,789.60

Finding the Fourth Proportional to 890,705.60, 1,229,150.40 and 482,789.60

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Solution

The fourth proportional to 890,705.60, 1,229,150.40 and 482,789.60 is: 666,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,705.60 : 1,229,150.40 = 482,789.60 : x
  2. Step 2: Convert to fraction form
    890,705.60/1,229,150.40 = 482,789.60/x
  3. Step 3: Cross multiply
    890,705.60x = 1,229,150.40 × 482,789.60
  4. Step 4: Simplify right side
    890,705.60x = 593,421,029,955.84
  5. Step 5: Solve for x
    x = 593,421,029,955.84/890,705.60
  6. Step 6: Final answer
    x = 666,237.00

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Double scale
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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.