Home / 730,458.89-1,095,688.31-197,979.90

Finding the Fourth Proportional to 730,458.89, 1,095,688.31 and 197,979.90

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Solution

The fourth proportional to 730,458.89, 1,095,688.31 and 197,979.90 is: 296,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,458.89 : 1,095,688.31 = 197,979.90 : x
  2. Step 2: Convert to fraction form
    730,458.89/1,095,688.31 = 197,979.90/x
  3. Step 3: Cross multiply
    730,458.89x = 1,095,688.31 × 197,979.90
  4. Step 4: Simplify right side
    730,458.89x = 216,924,261,055.07
  5. Step 5: Solve for x
    x = 216,924,261,055.07/730,458.89
  6. Step 6: Final answer
    x = 296,969.84

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