Home / 900,622.80-1,347,653.70-664,426.80

Finding the Fourth Proportional to 900,622.80, 1,347,653.70 and 664,426.80

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Solution

The fourth proportional to 900,622.80, 1,347,653.70 and 664,426.80 is: 994,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,622.80 : 1,347,653.70 = 664,426.80 : x
  2. Step 2: Convert to fraction form
    900,622.80/1,347,653.70 = 664,426.80/x
  3. Step 3: Cross multiply
    900,622.80x = 1,347,653.70 × 664,426.80
  4. Step 4: Simplify right side
    900,622.80x = 895,417,235,399.16
  5. Step 5: Solve for x
    x = 895,417,235,399.16/900,622.80
  6. Step 6: Final answer
    x = 994,220.04

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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.