Home / 646,727.20-970,528.20-362,417.20

Finding the Fourth Proportional to 646,727.20, 970,528.20 and 362,417.20

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Solution

The fourth proportional to 646,727.20, 970,528.20 and 362,417.20 is: 543,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,727.20 : 970,528.20 = 362,417.20 : x
  2. Step 2: Convert to fraction form
    646,727.20/970,528.20 = 362,417.20/x
  3. Step 3: Cross multiply
    646,727.20x = 970,528.20 × 362,417.20
  4. Step 4: Simplify right side
    646,727.20x = 351,736,112,765.04
  5. Step 5: Solve for x
    x = 351,736,112,765.04/646,727.20
  6. Step 6: Final answer
    x = 543,870.91

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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.