Home / 746,902.80-1,118,877.98-409,339.35

Finding the Fourth Proportional to 746,902.80, 1,118,877.98 and 409,339.35

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Solution

The fourth proportional to 746,902.80, 1,118,877.98 and 409,339.35 is: 613,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,902.80 : 1,118,877.98 = 409,339.35 : x
  2. Step 2: Convert to fraction form
    746,902.80/1,118,877.98 = 409,339.35/x
  3. Step 3: Cross multiply
    746,902.80x = 1,118,877.98 × 409,339.35
  4. Step 4: Simplify right side
    746,902.80x = 458,000,783,015.82
  5. Step 5: Solve for x
    x = 458,000,783,015.82/746,902.80
  6. Step 6: Final answer
    x = 613,199.98

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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.