Home / 939,784.24-1,296,889.68-510,060.60

Finding the Fourth Proportional to 939,784.24, 1,296,889.68 and 510,060.60

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Solution

The fourth proportional to 939,784.24, 1,296,889.68 and 510,060.60 is: 703,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,784.24 : 1,296,889.68 = 510,060.60 : x
  2. Step 2: Convert to fraction form
    939,784.24/1,296,889.68 = 510,060.60/x
  3. Step 3: Cross multiply
    939,784.24x = 1,296,889.68 × 510,060.60
  4. Step 4: Simplify right side
    939,784.24x = 661,492,328,314.61
  5. Step 5: Solve for x
    x = 661,492,328,314.61/939,784.24
  6. Step 6: Final answer
    x = 703,876.81

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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.