Home / 379,784.80-524,114.04-207,712.72

Finding the Fourth Proportional to 379,784.80, 524,114.04 and 207,712.72

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Solution

The fourth proportional to 379,784.80, 524,114.04 and 207,712.72 is: 286,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,784.80 : 524,114.04 = 207,712.72 : x
  2. Step 2: Convert to fraction form
    379,784.80/524,114.04 = 207,712.72/x
  3. Step 3: Cross multiply
    379,784.80x = 524,114.04 × 207,712.72
  4. Step 4: Simplify right side
    379,784.80x = 108,865,152,838.59
  5. Step 5: Solve for x
    x = 108,865,152,838.59/379,784.80
  6. Step 6: Final answer
    x = 286,649.58

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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.