Home / 948,711.90-1,423,242.81-300,451.62

Finding the Fourth Proportional to 948,711.90, 1,423,242.81 and 300,451.62

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Solution

The fourth proportional to 948,711.90, 1,423,242.81 and 300,451.62 is: 450,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,711.90 : 1,423,242.81 = 300,451.62 : x
  2. Step 2: Convert to fraction form
    948,711.90/1,423,242.81 = 300,451.62/x
  3. Step 3: Cross multiply
    948,711.90x = 1,423,242.81 × 300,451.62
  4. Step 4: Simplify right side
    948,711.90x = 427,615,607,917.85
  5. Step 5: Solve for x
    x = 427,615,607,917.85/948,711.90
  6. Step 6: Final answer
    x = 450,732.84

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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.