Home / 923,312.80-1,384,191.60-480,080.80

Finding the Fourth Proportional to 923,312.80, 1,384,191.60 and 480,080.80

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Solution

The fourth proportional to 923,312.80, 1,384,191.60 and 480,080.80 is: 719,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,312.80 : 1,384,191.60 = 480,080.80 : x
  2. Step 2: Convert to fraction form
    923,312.80/1,384,191.60 = 480,080.80/x
  3. Step 3: Cross multiply
    923,312.80x = 1,384,191.60 × 480,080.80
  4. Step 4: Simplify right side
    923,312.80x = 664,523,810,681.28
  5. Step 5: Solve for x
    x = 664,523,810,681.28/923,312.80
  6. Step 6: Final answer
    x = 719,716.88

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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.