Home / 735,890.83-1,102,912.84-314,671.39

Finding the Fourth Proportional to 735,890.83, 1,102,912.84 and 314,671.39

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Solution

The fourth proportional to 735,890.83, 1,102,912.84 and 314,671.39 is: 471,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,890.83 : 1,102,912.84 = 314,671.39 : x
  2. Step 2: Convert to fraction form
    735,890.83/1,102,912.84 = 314,671.39/x
  3. Step 3: Cross multiply
    735,890.83x = 1,102,912.84 × 314,671.39
  4. Step 4: Simplify right side
    735,890.83x = 347,055,116,411.65
  5. Step 5: Solve for x
    x = 347,055,116,411.65/735,890.83
  6. Step 6: Final answer
    x = 471,612.23

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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.