Home / 648,035.16-894,331.52-361,561.46

Finding the Fourth Proportional to 648,035.16, 894,331.52 and 361,561.46

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Solution

The fourth proportional to 648,035.16, 894,331.52 and 361,561.46 is: 498,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,035.16 : 894,331.52 = 361,561.46 : x
  2. Step 2: Convert to fraction form
    648,035.16/894,331.52 = 361,561.46/x
  3. Step 3: Cross multiply
    648,035.16x = 894,331.52 × 361,561.46
  4. Step 4: Simplify right side
    648,035.16x = 323,355,803,815.75
  5. Step 5: Solve for x
    x = 323,355,803,815.75/648,035.16
  6. Step 6: Final answer
    x = 498,978.80

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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.