Home / 815,533.71-1,223,451.15-268,457.04

Finding the Fourth Proportional to 815,533.71, 1,223,451.15 and 268,457.04

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Solution

The fourth proportional to 815,533.71, 1,223,451.15 and 268,457.04 is: 402,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,533.71 : 1,223,451.15 = 268,457.04 : x
  2. Step 2: Convert to fraction form
    815,533.71/1,223,451.15 = 268,457.04/x
  3. Step 3: Cross multiply
    815,533.71x = 1,223,451.15 × 268,457.04
  4. Step 4: Simplify right side
    815,533.71x = 328,444,074,313.60
  5. Step 5: Solve for x
    x = 328,444,074,313.60/815,533.71
  6. Step 6: Final answer
    x = 402,735.13

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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.