Home / 615,739.25-849,861.83-361,172.45

Finding the Fourth Proportional to 615,739.25, 849,861.83 and 361,172.45

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Solution

The fourth proportional to 615,739.25, 849,861.83 and 361,172.45 is: 498,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,739.25 : 849,861.83 = 361,172.45 : x
  2. Step 2: Convert to fraction form
    615,739.25/849,861.83 = 361,172.45/x
  3. Step 3: Cross multiply
    615,739.25x = 849,861.83 × 361,172.45
  4. Step 4: Simplify right side
    615,739.25x = 306,946,679,302.58
  5. Step 5: Solve for x
    x = 306,946,679,302.58/615,739.25
  6. Step 6: Final answer
    x = 498,501.08

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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.