Home / 680,946.56-1,021,419.36-306,532.16

Finding the Fourth Proportional to 680,946.56, 1,021,419.36 and 306,532.16

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Solution

The fourth proportional to 680,946.56, 1,021,419.36 and 306,532.16 is: 459,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,946.56 : 1,021,419.36 = 306,532.16 : x
  2. Step 2: Convert to fraction form
    680,946.56/1,021,419.36 = 306,532.16/x
  3. Step 3: Cross multiply
    680,946.56x = 1,021,419.36 × 306,532.16
  4. Step 4: Simplify right side
    680,946.56x = 313,097,882,686.62
  5. Step 5: Solve for x
    x = 313,097,882,686.62/680,946.56
  6. Step 6: Final answer
    x = 459,798.02

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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.