Home / 915,784.41-1,263,858.14-508,017.72

Finding the Fourth Proportional to 915,784.41, 1,263,858.14 and 508,017.72

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Solution

The fourth proportional to 915,784.41, 1,263,858.14 and 508,017.72 is: 701,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,784.41 : 1,263,858.14 = 508,017.72 : x
  2. Step 2: Convert to fraction form
    915,784.41/1,263,858.14 = 508,017.72/x
  3. Step 3: Cross multiply
    915,784.41x = 1,263,858.14 × 508,017.72
  4. Step 4: Simplify right side
    915,784.41x = 642,062,330,686.24
  5. Step 5: Solve for x
    x = 642,062,330,686.24/915,784.41
  6. Step 6: Final answer
    x = 701,106.42

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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.