Home / 695,145.60-1,042,718.40-245,862.90

Finding the Fourth Proportional to 695,145.60, 1,042,718.40 and 245,862.90

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Solution

The fourth proportional to 695,145.60, 1,042,718.40 and 245,862.90 is: 368,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,145.60 : 1,042,718.40 = 245,862.90 : x
  2. Step 2: Convert to fraction form
    695,145.60/1,042,718.40 = 245,862.90/x
  3. Step 3: Cross multiply
    695,145.60x = 1,042,718.40 × 245,862.90
  4. Step 4: Simplify right side
    695,145.60x = 256,365,769,707.36
  5. Step 5: Solve for x
    x = 256,365,769,707.36/695,145.60
  6. Step 6: Final answer
    x = 368,794.35

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1.5x scale

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.