Home / 862,363.80-1,190,097.90-480,390.48

Finding the Fourth Proportional to 862,363.80, 1,190,097.90 and 480,390.48

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Solution

The fourth proportional to 862,363.80, 1,190,097.90 and 480,390.48 is: 662,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,363.80 : 1,190,097.90 = 480,390.48 : x
  2. Step 2: Convert to fraction form
    862,363.80/1,190,097.90 = 480,390.48/x
  3. Step 3: Cross multiply
    862,363.80x = 1,190,097.90 × 480,390.48
  4. Step 4: Simplify right side
    862,363.80x = 571,711,701,427.99
  5. Step 5: Solve for x
    x = 571,711,701,427.99/862,363.80
  6. Step 6: Final answer
    x = 662,958.84

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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.