Home / 708,740.42-1,063,810.47-309,656.66

Finding the Fourth Proportional to 708,740.42, 1,063,810.47 and 309,656.66

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Solution

The fourth proportional to 708,740.42, 1,063,810.47 and 309,656.66 is: 464,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,740.42 : 1,063,810.47 = 309,656.66 : x
  2. Step 2: Convert to fraction form
    708,740.42/1,063,810.47 = 309,656.66/x
  3. Step 3: Cross multiply
    708,740.42x = 1,063,810.47 × 309,656.66
  4. Step 4: Simplify right side
    708,740.42x = 329,415,993,579.56
  5. Step 5: Solve for x
    x = 329,415,993,579.56/708,740.42
  6. Step 6: Final answer
    x = 464,790.75

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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.