Home / 986,574.54-1,479,903.33-312,682.43

Finding the Fourth Proportional to 986,574.54, 1,479,903.33 and 312,682.43

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Solution

The fourth proportional to 986,574.54, 1,479,903.33 and 312,682.43 is: 469,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,574.54 : 1,479,903.33 = 312,682.43 : x
  2. Step 2: Convert to fraction form
    986,574.54/1,479,903.33 = 312,682.43/x
  3. Step 3: Cross multiply
    986,574.54x = 1,479,903.33 × 312,682.43
  4. Step 4: Simplify right side
    986,574.54x = 462,739,769,389.49
  5. Step 5: Solve for x
    x = 462,739,769,389.49/986,574.54
  6. Step 6: Final answer
    x = 469,036.80

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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.