Home / 709,740.04-979,443.48-455,092.24

Finding the Fourth Proportional to 709,740.04, 979,443.48 and 455,092.24

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Solution

The fourth proportional to 709,740.04, 979,443.48 and 455,092.24 is: 628,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,740.04 : 979,443.48 = 455,092.24 : x
  2. Step 2: Convert to fraction form
    709,740.04/979,443.48 = 455,092.24/x
  3. Step 3: Cross multiply
    709,740.04x = 979,443.48 × 455,092.24
  4. Step 4: Simplify right side
    709,740.04x = 445,737,127,266.60
  5. Step 5: Solve for x
    x = 445,737,127,266.60/709,740.04
  6. Step 6: Final answer
    x = 628,028.72

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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.