Home / 751,424.76-1,036,969.80-449,618.76

Finding the Fourth Proportional to 751,424.76, 1,036,969.80 and 449,618.76

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Solution

The fourth proportional to 751,424.76, 1,036,969.80 and 449,618.76 is: 620,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,424.76 : 1,036,969.80 = 449,618.76 : x
  2. Step 2: Convert to fraction form
    751,424.76/1,036,969.80 = 449,618.76/x
  3. Step 3: Cross multiply
    751,424.76x = 1,036,969.80 × 449,618.76
  4. Step 4: Simplify right side
    751,424.76x = 466,241,075,633.45
  5. Step 5: Solve for x
    x = 466,241,075,633.45/751,424.76
  6. Step 6: Final answer
    x = 620,476.06

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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.