Home / 982,718.57-1,474,077.39-272,746.40

Finding the Fourth Proportional to 982,718.57, 1,474,077.39 and 272,746.40

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Solution

The fourth proportional to 982,718.57, 1,474,077.39 and 272,746.40 is: 409,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,718.57 : 1,474,077.39 = 272,746.40 : x
  2. Step 2: Convert to fraction form
    982,718.57/1,474,077.39 = 272,746.40/x
  3. Step 3: Cross multiply
    982,718.57x = 1,474,077.39 × 272,746.40
  4. Step 4: Simplify right side
    982,718.57x = 402,049,294,073.51
  5. Step 5: Solve for x
    x = 402,049,294,073.51/982,718.57
  6. Step 6: Final answer
    x = 409,119.47

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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.