Home / 708,003.20-1,060,449.60-427,030.40

Finding the Fourth Proportional to 708,003.20, 1,060,449.60 and 427,030.40

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Solution

The fourth proportional to 708,003.20, 1,060,449.60 and 427,030.40 is: 639,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,003.20 : 1,060,449.60 = 427,030.40 : x
  2. Step 2: Convert to fraction form
    708,003.20/1,060,449.60 = 427,030.40/x
  3. Step 3: Cross multiply
    708,003.20x = 1,060,449.60 × 427,030.40
  4. Step 4: Simplify right side
    708,003.20x = 452,844,216,867.84
  5. Step 5: Solve for x
    x = 452,844,216,867.84/708,003.20
  6. Step 6: Final answer
    x = 639,607.58

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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.