Home / 798,779.76-1,102,458.45-472,079.43

Finding the Fourth Proportional to 798,779.76, 1,102,458.45 and 472,079.43

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Solution

The fourth proportional to 798,779.76, 1,102,458.45 and 472,079.43 is: 651,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,779.76 : 1,102,458.45 = 472,079.43 : x
  2. Step 2: Convert to fraction form
    798,779.76/1,102,458.45 = 472,079.43/x
  3. Step 3: Cross multiply
    798,779.76x = 1,102,458.45 × 472,079.43
  4. Step 4: Simplify right side
    798,779.76x = 520,447,956,674.68
  5. Step 5: Solve for x
    x = 520,447,956,674.68/798,779.76
  6. Step 6: Final answer
    x = 651,553.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.