Home / 712,479.54-1,068,789.51-207,044.94

Finding the Fourth Proportional to 712,479.54, 1,068,789.51 and 207,044.94

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Solution

The fourth proportional to 712,479.54, 1,068,789.51 and 207,044.94 is: 310,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,479.54 : 1,068,789.51 = 207,044.94 : x
  2. Step 2: Convert to fraction form
    712,479.54/1,068,789.51 = 207,044.94/x
  3. Step 3: Cross multiply
    712,479.54x = 1,068,789.51 × 207,044.94
  4. Step 4: Simplify right side
    712,479.54x = 221,287,459,970.58
  5. Step 5: Solve for x
    x = 221,287,459,970.58/712,479.54
  6. Step 6: Final answer
    x = 310,587.81

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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.