Home / 713,911.68-1,070,528.76-414,485.28

Finding the Fourth Proportional to 713,911.68, 1,070,528.76 and 414,485.28

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Solution

The fourth proportional to 713,911.68, 1,070,528.76 and 414,485.28 is: 621,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,911.68 : 1,070,528.76 = 414,485.28 : x
  2. Step 2: Convert to fraction form
    713,911.68/1,070,528.76 = 414,485.28/x
  3. Step 3: Cross multiply
    713,911.68x = 1,070,528.76 × 414,485.28
  4. Step 4: Simplify right side
    713,911.68x = 443,718,412,836.65
  5. Step 5: Solve for x
    x = 443,718,412,836.65/713,911.68
  6. Step 6: Final answer
    x = 621,531.24

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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.