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Finding the Fourth Proportional to 615,725.04, 923,726.04 and 216,393.40

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Solution

The fourth proportional to 615,725.04, 923,726.04 and 216,393.40 is: 324,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,725.04 : 923,726.04 = 216,393.40 : x
  2. Step 2: Convert to fraction form
    615,725.04/923,726.04 = 216,393.40/x
  3. Step 3: Cross multiply
    615,725.04x = 923,726.04 × 216,393.40
  4. Step 4: Simplify right side
    615,725.04x = 199,888,218,464.14
  5. Step 5: Solve for x
    x = 199,888,218,464.14/615,725.04
  6. Step 6: Final answer
    x = 324,638.77

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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.