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Finding the Fourth Proportional to 551,457.20, 827,185.80 and 502,468.40

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Solution

The fourth proportional to 551,457.20, 827,185.80 and 502,468.40 is: 753,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,457.20 : 827,185.80 = 502,468.40 : x
  2. Step 2: Convert to fraction form
    551,457.20/827,185.80 = 502,468.40/x
  3. Step 3: Cross multiply
    551,457.20x = 827,185.80 × 502,468.40
  4. Step 4: Simplify right side
    551,457.20x = 415,634,725,428.72
  5. Step 5: Solve for x
    x = 415,634,725,428.72/551,457.20
  6. Step 6: Final answer
    x = 753,702.60

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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.