Home / 709,473.50-1,063,286.13-288,256.94

Finding the Fourth Proportional to 709,473.50, 1,063,286.13 and 288,256.94

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Solution

The fourth proportional to 709,473.50, 1,063,286.13 and 288,256.94 is: 432,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,473.50 : 1,063,286.13 = 288,256.94 : x
  2. Step 2: Convert to fraction form
    709,473.50/1,063,286.13 = 288,256.94/x
  3. Step 3: Cross multiply
    709,473.50x = 1,063,286.13 × 288,256.94
  4. Step 4: Simplify right side
    709,473.50x = 306,499,604,736.96
  5. Step 5: Solve for x
    x = 306,499,604,736.96/709,473.50
  6. Step 6: Final answer
    x = 432,009.94

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1.5x scale

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.