Home / 695,015.40-1,042,746.66-316,071.48

Finding the Fourth Proportional to 695,015.40, 1,042,746.66 and 316,071.48

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Solution

The fourth proportional to 695,015.40, 1,042,746.66 and 316,071.48 is: 474,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,015.40 : 1,042,746.66 = 316,071.48 : x
  2. Step 2: Convert to fraction form
    695,015.40/1,042,746.66 = 316,071.48/x
  3. Step 3: Cross multiply
    695,015.40x = 1,042,746.66 × 316,071.48
  4. Step 4: Simplify right side
    695,015.40x = 329,582,473,297.17
  5. Step 5: Solve for x
    x = 329,582,473,297.17/695,015.40
  6. Step 6: Final answer
    x = 474,208.88

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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.