Home / 926,020.20-1,389,293.28-294,982.68

Finding the Fourth Proportional to 926,020.20, 1,389,293.28 and 294,982.68

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Solution

The fourth proportional to 926,020.20, 1,389,293.28 and 294,982.68 is: 442,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,020.20 : 1,389,293.28 = 294,982.68 : x
  2. Step 2: Convert to fraction form
    926,020.20/1,389,293.28 = 294,982.68/x
  3. Step 3: Cross multiply
    926,020.20x = 1,389,293.28 × 294,982.68
  4. Step 4: Simplify right side
    926,020.20x = 409,817,455,040.39
  5. Step 5: Solve for x
    x = 409,817,455,040.39/926,020.20
  6. Step 6: Final answer
    x = 442,557.79

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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.