Home / 668,919.52-923,104.18-362,988.12

Finding the Fourth Proportional to 668,919.52, 923,104.18 and 362,988.12

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Solution

The fourth proportional to 668,919.52, 923,104.18 and 362,988.12 is: 500,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,919.52 : 923,104.18 = 362,988.12 : x
  2. Step 2: Convert to fraction form
    668,919.52/923,104.18 = 362,988.12/x
  3. Step 3: Cross multiply
    668,919.52x = 923,104.18 × 362,988.12
  4. Step 4: Simplify right side
    668,919.52x = 335,075,850,862.34
  5. Step 5: Solve for x
    x = 335,075,850,862.34/668,919.52
  6. Step 6: Final answer
    x = 500,921.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.