Home / 668,465.40-1,002,827.70-336,041.40

Finding the Fourth Proportional to 668,465.40, 1,002,827.70 and 336,041.40

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Solution

The fourth proportional to 668,465.40, 1,002,827.70 and 336,041.40 is: 504,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,465.40 : 1,002,827.70 = 336,041.40 : x
  2. Step 2: Convert to fraction form
    668,465.40/1,002,827.70 = 336,041.40/x
  3. Step 3: Cross multiply
    668,465.40x = 1,002,827.70 × 336,041.40
  4. Step 4: Simplify right side
    668,465.40x = 336,991,624,266.78
  5. Step 5: Solve for x
    x = 336,991,624,266.78/668,465.40
  6. Step 6: Final answer
    x = 504,127.25

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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.