Home / 708,904.98-1,063,798.20-288,180.54

Finding the Fourth Proportional to 708,904.98, 1,063,798.20 and 288,180.54

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Solution

The fourth proportional to 708,904.98, 1,063,798.20 and 288,180.54 is: 432,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,904.98 : 1,063,798.20 = 288,180.54 : x
  2. Step 2: Convert to fraction form
    708,904.98/1,063,798.20 = 288,180.54/x
  3. Step 3: Cross multiply
    708,904.98x = 1,063,798.20 × 288,180.54
  4. Step 4: Simplify right side
    708,904.98x = 306,565,939,727.03
  5. Step 5: Solve for x
    x = 306,565,939,727.03/708,904.98
  6. Step 6: Final answer
    x = 432,449.97

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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.