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Finding the Fourth Proportional to 636,608.51, 954,710.19 and 210,064.80

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Solution

The fourth proportional to 636,608.51, 954,710.19 and 210,064.80 is: 315,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,608.51 : 954,710.19 = 210,064.80 : x
  2. Step 2: Convert to fraction form
    636,608.51/954,710.19 = 210,064.80/x
  3. Step 3: Cross multiply
    636,608.51x = 954,710.19 × 210,064.80
  4. Step 4: Simplify right side
    636,608.51x = 200,551,005,120.31
  5. Step 5: Solve for x
    x = 200,551,005,120.31/636,608.51
  6. Step 6: Final answer
    x = 315,030.36

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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.