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Finding the Fourth Proportional to 553,677.80, 830,516.70 and 301,079.30

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Solution

The fourth proportional to 553,677.80, 830,516.70 and 301,079.30 is: 451,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,677.80 : 830,516.70 = 301,079.30 : x
  2. Step 2: Convert to fraction form
    553,677.80/830,516.70 = 301,079.30/x
  3. Step 3: Cross multiply
    553,677.80x = 830,516.70 × 301,079.30
  4. Step 4: Simplify right side
    553,677.80x = 250,051,386,674.31
  5. Step 5: Solve for x
    x = 250,051,386,674.31/553,677.80
  6. Step 6: Final answer
    x = 451,618.95

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Similar ratio
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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.