Home / 722,957.36-1,084,733.72-317,941.36

Finding the Fourth Proportional to 722,957.36, 1,084,733.72 and 317,941.36

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Solution

The fourth proportional to 722,957.36, 1,084,733.72 and 317,941.36 is: 477,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,957.36 : 1,084,733.72 = 317,941.36 : x
  2. Step 2: Convert to fraction form
    722,957.36/1,084,733.72 = 317,941.36/x
  3. Step 3: Cross multiply
    722,957.36x = 1,084,733.72 × 317,941.36
  4. Step 4: Simplify right side
    722,957.36x = 344,881,714,174.66
  5. Step 5: Solve for x
    x = 344,881,714,174.66/722,957.36
  6. Step 6: Final answer
    x = 477,042.95

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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.