Home / 864,591.05-1,297,061.54-303,669.29

Finding the Fourth Proportional to 864,591.05, 1,297,061.54 and 303,669.29

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Solution

The fourth proportional to 864,591.05, 1,297,061.54 and 303,669.29 is: 455,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,591.05 : 1,297,061.54 = 303,669.29 : x
  2. Step 2: Convert to fraction form
    864,591.05/1,297,061.54 = 303,669.29/x
  3. Step 3: Cross multiply
    864,591.05x = 1,297,061.54 × 303,669.29
  4. Step 4: Simplify right side
    864,591.05x = 393,877,748,934.45
  5. Step 5: Solve for x
    x = 393,877,748,934.45/864,591.05
  6. Step 6: Final answer
    x = 455,565.38

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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.