Home / 949,443.80-1,423,654.86-380,539.40

Finding the Fourth Proportional to 949,443.80, 1,423,654.86 and 380,539.40

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Solution

The fourth proportional to 949,443.80, 1,423,654.86 and 380,539.40 is: 570,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,443.80 : 1,423,654.86 = 380,539.40 : x
  2. Step 2: Convert to fraction form
    949,443.80/1,423,654.86 = 380,539.40/x
  3. Step 3: Cross multiply
    949,443.80x = 1,423,654.86 × 380,539.40
  4. Step 4: Simplify right side
    949,443.80x = 541,756,766,231.48
  5. Step 5: Solve for x
    x = 541,756,766,231.48/949,443.80
  6. Step 6: Final answer
    x = 570,604.35

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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.