Home / 730,688.80-1,095,514.80-331,520.80

Finding the Fourth Proportional to 730,688.80, 1,095,514.80 and 331,520.80

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Solution

The fourth proportional to 730,688.80, 1,095,514.80 and 331,520.80 is: 497,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,688.80 : 1,095,514.80 = 331,520.80 : x
  2. Step 2: Convert to fraction form
    730,688.80/1,095,514.80 = 331,520.80/x
  3. Step 3: Cross multiply
    730,688.80x = 1,095,514.80 × 331,520.80
  4. Step 4: Simplify right side
    730,688.80x = 363,185,942,907.84
  5. Step 5: Solve for x
    x = 363,185,942,907.84/730,688.80
  6. Step 6: Final answer
    x = 497,046.00

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Double scale
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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.