Home / 559,944.39-772,724.04-305,295.58

Finding the Fourth Proportional to 559,944.39, 772,724.04 and 305,295.58

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Solution

The fourth proportional to 559,944.39, 772,724.04 and 305,295.58 is: 421,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,944.39 : 772,724.04 = 305,295.58 : x
  2. Step 2: Convert to fraction form
    559,944.39/772,724.04 = 305,295.58/x
  3. Step 3: Cross multiply
    559,944.39x = 772,724.04 × 305,295.58
  4. Step 4: Simplify right side
    559,944.39x = 235,909,233,792.79
  5. Step 5: Solve for x
    x = 235,909,233,792.79/559,944.39
  6. Step 6: Final answer
    x = 421,308.32

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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.