Home / 462,912.04-693,653.64-312,563.08

Finding the Fourth Proportional to 462,912.04, 693,653.64 and 312,563.08

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Solution

The fourth proportional to 462,912.04, 693,653.64 and 312,563.08 is: 468,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,912.04 : 693,653.64 = 312,563.08 : x
  2. Step 2: Convert to fraction form
    462,912.04/693,653.64 = 312,563.08/x
  3. Step 3: Cross multiply
    462,912.04x = 693,653.64 × 312,563.08
  4. Step 4: Simplify right side
    462,912.04x = 216,810,518,171.61
  5. Step 5: Solve for x
    x = 216,810,518,171.61/462,912.04
  6. Step 6: Final answer
    x = 468,362.24

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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.