Home / 872,498.70-1,308,834.45-303,792.30

Finding the Fourth Proportional to 872,498.70, 1,308,834.45 and 303,792.30

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Solution

The fourth proportional to 872,498.70, 1,308,834.45 and 303,792.30 is: 455,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,498.70 : 1,308,834.45 = 303,792.30 : x
  2. Step 2: Convert to fraction form
    872,498.70/1,308,834.45 = 303,792.30/x
  3. Step 3: Cross multiply
    872,498.70x = 1,308,834.45 × 303,792.30
  4. Step 4: Simplify right side
    872,498.70x = 397,613,827,884.74
  5. Step 5: Solve for x
    x = 397,613,827,884.74/872,498.70
  6. Step 6: Final answer
    x = 455,718.53

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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.