Home / 949,451.30-1,423,666.08-380,546.90

Finding the Fourth Proportional to 949,451.30, 1,423,666.08 and 380,546.90

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Solution

The fourth proportional to 949,451.30, 1,423,666.08 and 380,546.90 is: 570,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,451.30 : 1,423,666.08 = 380,546.90 : x
  2. Step 2: Convert to fraction form
    949,451.30/1,423,666.08 = 380,546.90/x
  3. Step 3: Cross multiply
    949,451.30x = 1,423,666.08 × 380,546.90
  4. Step 4: Simplify right side
    949,451.30x = 541,771,713,379.15
  5. Step 5: Solve for x
    x = 541,771,713,379.15/949,451.30
  6. Step 6: Final answer
    x = 570,615.59

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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.