Home / 867,838.61-1,296,480.16-561,739.02

Finding the Fourth Proportional to 867,838.61, 1,296,480.16 and 561,739.02

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Solution

The fourth proportional to 867,838.61, 1,296,480.16 and 561,739.02 is: 839,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,838.61 : 1,296,480.16 = 561,739.02 : x
  2. Step 2: Convert to fraction form
    867,838.61/1,296,480.16 = 561,739.02/x
  3. Step 3: Cross multiply
    867,838.61x = 1,296,480.16 × 561,739.02
  4. Step 4: Simplify right side
    867,838.61x = 728,283,493,123.50
  5. Step 5: Solve for x
    x = 728,283,493,123.50/867,838.61
  6. Step 6: Final answer
    x = 839,192.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.