Home / 672,026.15-1,008,039.23-434,080.55

Finding the Fourth Proportional to 672,026.15, 1,008,039.23 and 434,080.55

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Solution

The fourth proportional to 672,026.15, 1,008,039.23 and 434,080.55 is: 651,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,026.15 : 1,008,039.23 = 434,080.55 : x
  2. Step 2: Convert to fraction form
    672,026.15/1,008,039.23 = 434,080.55/x
  3. Step 3: Cross multiply
    672,026.15x = 1,008,039.23 × 434,080.55
  4. Step 4: Simplify right side
    672,026.15x = 437,570,223,379.98
  5. Step 5: Solve for x
    x = 437,570,223,379.98/672,026.15
  6. Step 6: Final answer
    x = 651,120.83

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Similar ratio
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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.