Home / 717,816.03-990,630.24-395,526.03

Finding the Fourth Proportional to 717,816.03, 990,630.24 and 395,526.03

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Solution

The fourth proportional to 717,816.03, 990,630.24 and 395,526.03 is: 545,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,816.03 : 990,630.24 = 395,526.03 : x
  2. Step 2: Convert to fraction form
    717,816.03/990,630.24 = 395,526.03/x
  3. Step 3: Cross multiply
    717,816.03x = 990,630.24 × 395,526.03
  4. Step 4: Simplify right side
    717,816.03x = 391,820,046,025.15
  5. Step 5: Solve for x
    x = 391,820,046,025.15/717,816.03
  6. Step 6: Final answer
    x = 545,850.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.