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Finding the Fourth Proportional to 553,695.80, 830,543.70 and 301,097.30

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Solution

The fourth proportional to 553,695.80, 830,543.70 and 301,097.30 is: 451,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,695.80 : 830,543.70 = 301,097.30 : x
  2. Step 2: Convert to fraction form
    553,695.80/830,543.70 = 301,097.30/x
  3. Step 3: Cross multiply
    553,695.80x = 830,543.70 × 301,097.30
  4. Step 4: Simplify right side
    553,695.80x = 250,074,465,602.01
  5. Step 5: Solve for x
    x = 250,074,465,602.01/553,695.80
  6. Step 6: Final answer
    x = 451,645.95

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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.