Home / 459,459.36-689,221.96-122,498.25

Finding the Fourth Proportional to 459,459.36, 689,221.96 and 122,498.25

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Solution

The fourth proportional to 459,459.36, 689,221.96 and 122,498.25 is: 183,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,459.36 : 689,221.96 = 122,498.25 : x
  2. Step 2: Convert to fraction form
    459,459.36/689,221.96 = 122,498.25/x
  3. Step 3: Cross multiply
    459,459.36x = 689,221.96 × 122,498.25
  4. Step 4: Simplify right side
    459,459.36x = 84,428,479,902.97
  5. Step 5: Solve for x
    x = 84,428,479,902.97/459,459.36
  6. Step 6: Final answer
    x = 183,756.15

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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.