Home / 713,488.20-1,070,232.30-648,169.80

Finding the Fourth Proportional to 713,488.20, 1,070,232.30 and 648,169.80

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Solution

The fourth proportional to 713,488.20, 1,070,232.30 and 648,169.80 is: 972,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,488.20 : 1,070,232.30 = 648,169.80 : x
  2. Step 2: Convert to fraction form
    713,488.20/1,070,232.30 = 648,169.80/x
  3. Step 3: Cross multiply
    713,488.20x = 1,070,232.30 × 648,169.80
  4. Step 4: Simplify right side
    713,488.20x = 693,692,255,844.54
  5. Step 5: Solve for x
    x = 693,692,255,844.54/713,488.20
  6. Step 6: Final answer
    x = 972,254.70

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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.