Home / 912,592.88-1,369,122.64-379,936.88

Finding the Fourth Proportional to 912,592.88, 1,369,122.64 and 379,936.88

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Solution

The fourth proportional to 912,592.88, 1,369,122.64 and 379,936.88 is: 570,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,592.88 : 1,369,122.64 = 379,936.88 : x
  2. Step 2: Convert to fraction form
    912,592.88/1,369,122.64 = 379,936.88/x
  3. Step 3: Cross multiply
    912,592.88x = 1,369,122.64 × 379,936.88
  4. Step 4: Simplify right side
    912,592.88x = 520,180,184,178.96
  5. Step 5: Solve for x
    x = 520,180,184,178.96/912,592.88
  6. Step 6: Final answer
    x = 570,002.46

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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.