Home / 730,457.76-1,095,686.61-197,978.78

Finding the Fourth Proportional to 730,457.76, 1,095,686.61 and 197,978.78

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Solution

The fourth proportional to 730,457.76, 1,095,686.61 and 197,978.78 is: 296,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,457.76 : 1,095,686.61 = 197,978.78 : x
  2. Step 2: Convert to fraction form
    730,457.76/1,095,686.61 = 197,978.78/x
  3. Step 3: Cross multiply
    730,457.76x = 1,095,686.61 × 197,978.78
  4. Step 4: Simplify right side
    730,457.76x = 216,922,692,831.70
  5. Step 5: Solve for x
    x = 216,922,692,831.70/730,457.76
  6. Step 6: Final answer
    x = 296,968.15

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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.