Home / 639,510.06-882,539.93-363,852.72

Finding the Fourth Proportional to 639,510.06, 882,539.93 and 363,852.72

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Solution

The fourth proportional to 639,510.06, 882,539.93 and 363,852.72 is: 502,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,510.06 : 882,539.93 = 363,852.72 : x
  2. Step 2: Convert to fraction form
    639,510.06/882,539.93 = 363,852.72/x
  3. Step 3: Cross multiply
    639,510.06x = 882,539.93 × 363,852.72
  4. Step 4: Simplify right side
    639,510.06x = 321,114,554,039.11
  5. Step 5: Solve for x
    x = 321,114,554,039.11/639,510.06
  6. Step 6: Final answer
    x = 502,125.88

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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.