Home / 949,443.30-1,423,654.11-380,538.90

Finding the Fourth Proportional to 949,443.30, 1,423,654.11 and 380,538.90

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Solution

The fourth proportional to 949,443.30, 1,423,654.11 and 380,538.90 is: 570,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,443.30 : 1,423,654.11 = 380,538.90 : x
  2. Step 2: Convert to fraction form
    949,443.30/1,423,654.11 = 380,538.90/x
  3. Step 3: Cross multiply
    949,443.30x = 1,423,654.11 × 380,538.90
  4. Step 4: Simplify right side
    949,443.30x = 541,755,768,999.88
  5. Step 5: Solve for x
    x = 541,755,768,999.88/949,443.30
  6. Step 6: Final answer
    x = 570,603.60

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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.