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Finding the Fourth Proportional to 567,897.80, 851,069.10 and 462,921.80

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Solution

The fourth proportional to 567,897.80, 851,069.10 and 462,921.80 is: 693,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,897.80 : 851,069.10 = 462,921.80 : x
  2. Step 2: Convert to fraction form
    567,897.80/851,069.10 = 462,921.80/x
  3. Step 3: Cross multiply
    567,897.80x = 851,069.10 × 462,921.80
  4. Step 4: Simplify right side
    567,897.80x = 393,978,439,696.38
  5. Step 5: Solve for x
    x = 393,978,439,696.38/567,897.80
  6. Step 6: Final answer
    x = 693,748.84

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1.5x scale

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.