Home / 913,390.63-1,370,091.61-239,465.88

Finding the Fourth Proportional to 913,390.63, 1,370,091.61 and 239,465.88

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Solution

The fourth proportional to 913,390.63, 1,370,091.61 and 239,465.88 is: 359,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,390.63 : 1,370,091.61 = 239,465.88 : x
  2. Step 2: Convert to fraction form
    913,390.63/1,370,091.61 = 239,465.88/x
  3. Step 3: Cross multiply
    913,390.63x = 1,370,091.61 × 239,465.88
  4. Step 4: Simplify right side
    913,390.63x = 328,090,193,069.27
  5. Step 5: Solve for x
    x = 328,090,193,069.27/913,390.63
  6. Step 6: Final answer
    x = 359,200.31

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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.