Home / 972,997.60-1,459,496.40-440,506.72

Finding the Fourth Proportional to 972,997.60, 1,459,496.40 and 440,506.72

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Solution

The fourth proportional to 972,997.60, 1,459,496.40 and 440,506.72 is: 660,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,997.60 : 1,459,496.40 = 440,506.72 : x
  2. Step 2: Convert to fraction form
    972,997.60/1,459,496.40 = 440,506.72/x
  3. Step 3: Cross multiply
    972,997.60x = 1,459,496.40 × 440,506.72
  4. Step 4: Simplify right side
    972,997.60x = 642,917,972,015.81
  5. Step 5: Solve for x
    x = 642,917,972,015.81/972,997.60
  6. Step 6: Final answer
    x = 660,760.08

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Double scale
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Similar ratio
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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.