Home / 670,309.70-1,004,881.35-403,787.30

Finding the Fourth Proportional to 670,309.70, 1,004,881.35 and 403,787.30

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Solution

The fourth proportional to 670,309.70, 1,004,881.35 and 403,787.30 is: 605,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,309.70 : 1,004,881.35 = 403,787.30 : x
  2. Step 2: Convert to fraction form
    670,309.70/1,004,881.35 = 403,787.30/x
  3. Step 3: Cross multiply
    670,309.70x = 1,004,881.35 × 403,787.30
  4. Step 4: Simplify right side
    670,309.70x = 405,758,327,136.86
  5. Step 5: Solve for x
    x = 405,758,327,136.86/670,309.70
  6. Step 6: Final answer
    x = 605,329.64

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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.