Home / 708,302.80-1,063,145.40-353,717.20

Finding the Fourth Proportional to 708,302.80, 1,063,145.40 and 353,717.20

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Solution

The fourth proportional to 708,302.80, 1,063,145.40 and 353,717.20 is: 530,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,302.80 : 1,063,145.40 = 353,717.20 : x
  2. Step 2: Convert to fraction form
    708,302.80/1,063,145.40 = 353,717.20/x
  3. Step 3: Cross multiply
    708,302.80x = 1,063,145.40 × 353,717.20
  4. Step 4: Simplify right side
    708,302.80x = 376,052,814,080.88
  5. Step 5: Solve for x
    x = 376,052,814,080.88/708,302.80
  6. Step 6: Final answer
    x = 530,920.98

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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.