Home / 762,305.20-1,051,841.94-439,897.60

Finding the Fourth Proportional to 762,305.20, 1,051,841.94 and 439,897.60

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Solution

The fourth proportional to 762,305.20, 1,051,841.94 and 439,897.60 is: 606,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,305.20 : 1,051,841.94 = 439,897.60 : x
  2. Step 2: Convert to fraction form
    762,305.20/1,051,841.94 = 439,897.60/x
  3. Step 3: Cross multiply
    762,305.20x = 1,051,841.94 × 439,897.60
  4. Step 4: Simplify right side
    762,305.20x = 462,702,744,985.34
  5. Step 5: Solve for x
    x = 462,702,744,985.34/762,305.20
  6. Step 6: Final answer
    x = 606,978.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.