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Finding the Fourth Proportional to 562,110.48, 775,724.76 and 307,461.67

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Solution

The fourth proportional to 562,110.48, 775,724.76 and 307,461.67 is: 424,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,110.48 : 775,724.76 = 307,461.67 : x
  2. Step 2: Convert to fraction form
    562,110.48/775,724.76 = 307,461.67/x
  3. Step 3: Cross multiply
    562,110.48x = 775,724.76 × 307,461.67
  4. Step 4: Simplify right side
    562,110.48x = 238,505,628,230.64
  5. Step 5: Solve for x
    x = 238,505,628,230.64/562,110.48
  6. Step 6: Final answer
    x = 424,303.83

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.