Home / 897,305.60-1,347,124.80-720,012.80

Finding the Fourth Proportional to 897,305.60, 1,347,124.80 and 720,012.80

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Solution

The fourth proportional to 897,305.60, 1,347,124.80 and 720,012.80 is: 1,080,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,305.60 : 1,347,124.80 = 720,012.80 : x
  2. Step 2: Convert to fraction form
    897,305.60/1,347,124.80 = 720,012.80/x
  3. Step 3: Cross multiply
    897,305.60x = 1,347,124.80 × 720,012.80
  4. Step 4: Simplify right side
    897,305.60x = 969,947,099,197.44
  5. Step 5: Solve for x
    x = 969,947,099,197.44/897,305.60
  6. Step 6: Final answer
    x = 1,080,955.14

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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.