Home / 554,619.12-831,928.64-180,642.12

Finding the Fourth Proportional to 554,619.12, 831,928.64 and 180,642.12

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Solution

The fourth proportional to 554,619.12, 831,928.64 and 180,642.12 is: 270,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,619.12 : 831,928.64 = 180,642.12 : x
  2. Step 2: Convert to fraction form
    554,619.12/831,928.64 = 180,642.12/x
  3. Step 3: Cross multiply
    554,619.12x = 831,928.64 × 180,642.12
  4. Step 4: Simplify right side
    554,619.12x = 150,281,352,315.11
  5. Step 5: Solve for x
    x = 150,281,352,315.11/554,619.12
  6. Step 6: Final answer
    x = 270,963.17

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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.