Home / 730,459.73-1,095,689.60-197,980.76

Finding the Fourth Proportional to 730,459.73, 1,095,689.60 and 197,980.76

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Solution

The fourth proportional to 730,459.73, 1,095,689.60 and 197,980.76 is: 296,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,459.73 : 1,095,689.60 = 197,980.76 : x
  2. Step 2: Convert to fraction form
    730,459.73/1,095,689.60 = 197,980.76/x
  3. Step 3: Cross multiply
    730,459.73x = 1,095,689.60 × 197,980.76
  4. Step 4: Simplify right side
    730,459.73x = 216,925,456,478.21
  5. Step 5: Solve for x
    x = 216,925,456,478.21/730,459.73
  6. Step 6: Final answer
    x = 296,971.14

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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.