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Finding the Fourth Proportional to 554,881.70, 832,322.55 and 302,939.30

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Solution

The fourth proportional to 554,881.70, 832,322.55 and 302,939.30 is: 454,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,881.70 : 832,322.55 = 302,939.30 : x
  2. Step 2: Convert to fraction form
    554,881.70/832,322.55 = 302,939.30/x
  3. Step 3: Cross multiply
    554,881.70x = 832,322.55 × 302,939.30
  4. Step 4: Simplify right side
    554,881.70x = 252,143,210,671.22
  5. Step 5: Solve for x
    x = 252,143,210,671.22/554,881.70
  6. Step 6: Final answer
    x = 454,408.95

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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.