Home / 970,390.80-1,455,586.20-907,405.20

Finding the Fourth Proportional to 970,390.80, 1,455,586.20 and 907,405.20

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Solution

The fourth proportional to 970,390.80, 1,455,586.20 and 907,405.20 is: 1,361,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,390.80 : 1,455,586.20 = 907,405.20 : x
  2. Step 2: Convert to fraction form
    970,390.80/1,455,586.20 = 907,405.20/x
  3. Step 3: Cross multiply
    970,390.80x = 1,455,586.20 × 907,405.20
  4. Step 4: Simplify right side
    970,390.80x = 1,320,806,486,928.24
  5. Step 5: Solve for x
    x = 1,320,806,486,928.24/970,390.80
  6. Step 6: Final answer
    x = 1,361,107.80

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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.