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Finding the Fourth Proportional to 525,690.60, 788,730.30 and 506,250.60

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Solution

The fourth proportional to 525,690.60, 788,730.30 and 506,250.60 is: 759,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,690.60 : 788,730.30 = 506,250.60 : x
  2. Step 2: Convert to fraction form
    525,690.60/788,730.30 = 506,250.60/x
  3. Step 3: Cross multiply
    525,690.60x = 788,730.30 × 506,250.60
  4. Step 4: Simplify right side
    525,690.60x = 399,295,187,613.18
  5. Step 5: Solve for x
    x = 399,295,187,613.18/525,690.60
  6. Step 6: Final answer
    x = 759,563.11

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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.