Home / 746,051.60-1,118,947.80-272,493.20

Finding the Fourth Proportional to 746,051.60, 1,118,947.80 and 272,493.20

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Solution

The fourth proportional to 746,051.60, 1,118,947.80 and 272,493.20 is: 408,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,051.60 : 1,118,947.80 = 272,493.20 : x
  2. Step 2: Convert to fraction form
    746,051.60/1,118,947.80 = 272,493.20/x
  3. Step 3: Cross multiply
    746,051.60x = 1,118,947.80 × 272,493.20
  4. Step 4: Simplify right side
    746,051.60x = 304,905,666,654.96
  5. Step 5: Solve for x
    x = 304,905,666,654.96/746,051.60
  6. Step 6: Final answer
    x = 408,692.46

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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.