Home / 709,263.68-1,063,519.54-309,437.35

Finding the Fourth Proportional to 709,263.68, 1,063,519.54 and 309,437.35

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Solution

The fourth proportional to 709,263.68, 1,063,519.54 and 309,437.35 is: 463,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,263.68 : 1,063,519.54 = 309,437.35 : x
  2. Step 2: Convert to fraction form
    709,263.68/1,063,519.54 = 309,437.35/x
  3. Step 3: Cross multiply
    709,263.68x = 1,063,519.54 × 309,437.35
  4. Step 4: Simplify right side
    709,263.68x = 329,092,664,698.43
  5. Step 5: Solve for x
    x = 329,092,664,698.43/709,263.68
  6. Step 6: Final answer
    x = 463,991.99

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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.