Home / 709,312.80-1,063,969.20-336,064.80

Finding the Fourth Proportional to 709,312.80, 1,063,969.20 and 336,064.80

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Solution

The fourth proportional to 709,312.80, 1,063,969.20 and 336,064.80 is: 504,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,312.80 : 1,063,969.20 = 336,064.80 : x
  2. Step 2: Convert to fraction form
    709,312.80/1,063,969.20 = 336,064.80/x
  3. Step 3: Cross multiply
    709,312.80x = 1,063,969.20 × 336,064.80
  4. Step 4: Simplify right side
    709,312.80x = 357,562,596,404.16
  5. Step 5: Solve for x
    x = 357,562,596,404.16/709,312.80
  6. Step 6: Final answer
    x = 504,097.20

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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.