Home / 869,400.40-1,303,582.20-449,496.40

Finding the Fourth Proportional to 869,400.40, 1,303,582.20 and 449,496.40

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Solution

The fourth proportional to 869,400.40, 1,303,582.20 and 449,496.40 is: 673,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,400.40 : 1,303,582.20 = 449,496.40 : x
  2. Step 2: Convert to fraction form
    869,400.40/1,303,582.20 = 449,496.40/x
  3. Step 3: Cross multiply
    869,400.40x = 1,303,582.20 × 449,496.40
  4. Step 4: Simplify right side
    869,400.40x = 585,955,506,004.08
  5. Step 5: Solve for x
    x = 585,955,506,004.08/869,400.40
  6. Step 6: Final answer
    x = 673,976.58

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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.