Home / 724,813.38-1,087,219.06-304,089.26

Finding the Fourth Proportional to 724,813.38, 1,087,219.06 and 304,089.26

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Solution

The fourth proportional to 724,813.38, 1,087,219.06 and 304,089.26 is: 456,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,813.38 : 1,087,219.06 = 304,089.26 : x
  2. Step 2: Convert to fraction form
    724,813.38/1,087,219.06 = 304,089.26/x
  3. Step 3: Cross multiply
    724,813.38x = 1,087,219.06 × 304,089.26
  4. Step 4: Simplify right side
    724,813.38x = 330,611,633,216.98
  5. Step 5: Solve for x
    x = 330,611,633,216.98/724,813.38
  6. Step 6: Final answer
    x = 456,133.46

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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.