Home / 709,350.76-1,064,014.85-330,059.35

Finding the Fourth Proportional to 709,350.76, 1,064,014.85 and 330,059.35

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Solution

The fourth proportional to 709,350.76, 1,064,014.85 and 330,059.35 is: 495,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,350.76 : 1,064,014.85 = 330,059.35 : x
  2. Step 2: Convert to fraction form
    709,350.76/1,064,014.85 = 330,059.35/x
  3. Step 3: Cross multiply
    709,350.76x = 1,064,014.85 × 330,059.35
  4. Step 4: Simplify right side
    709,350.76x = 351,188,051,936.51
  5. Step 5: Solve for x
    x = 351,188,051,936.51/709,350.76
  6. Step 6: Final answer
    x = 495,083.77

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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.