Home / 735,871.15-1,015,511.34-445,478.86

Finding the Fourth Proportional to 735,871.15, 1,015,511.34 and 445,478.86

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Solution

The fourth proportional to 735,871.15, 1,015,511.34 and 445,478.86 is: 614,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,871.15 : 1,015,511.34 = 445,478.86 : x
  2. Step 2: Convert to fraction form
    735,871.15/1,015,511.34 = 445,478.86/x
  3. Step 3: Cross multiply
    735,871.15x = 1,015,511.34 × 445,478.86
  4. Step 4: Simplify right side
    735,871.15x = 452,388,834,060.27
  5. Step 5: Solve for x
    x = 452,388,834,060.27/735,871.15
  6. Step 6: Final answer
    x = 614,766.37

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Double scale
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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.