Home / 947,106.47-1,420,672.02-316,020.29

Finding the Fourth Proportional to 947,106.47, 1,420,672.02 and 316,020.29

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Solution

The fourth proportional to 947,106.47, 1,420,672.02 and 316,020.29 is: 474,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,106.47 : 1,420,672.02 = 316,020.29 : x
  2. Step 2: Convert to fraction form
    947,106.47/1,420,672.02 = 316,020.29/x
  3. Step 3: Cross multiply
    947,106.47x = 1,420,672.02 × 316,020.29
  4. Step 4: Simplify right side
    947,106.47x = 448,961,180,685.59
  5. Step 5: Solve for x
    x = 448,961,180,685.59/947,106.47
  6. Step 6: Final answer
    x = 474,034.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.