Home / 709,265.68-1,063,522.54-309,439.34

Finding the Fourth Proportional to 709,265.68, 1,063,522.54 and 309,439.34

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Solution

The fourth proportional to 709,265.68, 1,063,522.54 and 309,439.34 is: 463,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,265.68 : 1,063,522.54 = 309,439.34 : x
  2. Step 2: Convert to fraction form
    709,265.68/1,063,522.54 = 309,439.34/x
  3. Step 3: Cross multiply
    709,265.68x = 1,063,522.54 × 309,439.34
  4. Step 4: Simplify right side
    709,265.68x = 329,095,712,852.72
  5. Step 5: Solve for x
    x = 329,095,712,852.72/709,265.68
  6. Step 6: Final answer
    x = 463,994.98

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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.