Home / 739,030.60-1,108,983.30-487,039.60

Finding the Fourth Proportional to 739,030.60, 1,108,983.30 and 487,039.60

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Solution

The fourth proportional to 739,030.60, 1,108,983.30 and 487,039.60 is: 730,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,030.60 : 1,108,983.30 = 487,039.60 : x
  2. Step 2: Convert to fraction form
    739,030.60/1,108,983.30 = 487,039.60/x
  3. Step 3: Cross multiply
    739,030.60x = 1,108,983.30 × 487,039.60
  4. Step 4: Simplify right side
    739,030.60x = 540,118,782,838.68
  5. Step 5: Solve for x
    x = 540,118,782,838.68/739,030.60
  6. Step 6: Final answer
    x = 730,847.66

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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.