Home / 838,375.92-1,156,955.43-470,802.03

Finding the Fourth Proportional to 838,375.92, 1,156,955.43 and 470,802.03

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Solution

The fourth proportional to 838,375.92, 1,156,955.43 and 470,802.03 is: 649,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,375.92 : 1,156,955.43 = 470,802.03 : x
  2. Step 2: Convert to fraction form
    838,375.92/1,156,955.43 = 470,802.03/x
  3. Step 3: Cross multiply
    838,375.92x = 1,156,955.43 × 470,802.03
  4. Step 4: Simplify right side
    838,375.92x = 544,696,965,063.52
  5. Step 5: Solve for x
    x = 544,696,965,063.52/838,375.92
  6. Step 6: Final answer
    x = 649,704.93

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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.