Home / 743,416.42-1,025,919.57-403,884.58

Finding the Fourth Proportional to 743,416.42, 1,025,919.57 and 403,884.58

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Solution

The fourth proportional to 743,416.42, 1,025,919.57 and 403,884.58 is: 557,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,416.42 : 1,025,919.57 = 403,884.58 : x
  2. Step 2: Convert to fraction form
    743,416.42/1,025,919.57 = 403,884.58/x
  3. Step 3: Cross multiply
    743,416.42x = 1,025,919.57 × 403,884.58
  4. Step 4: Simplify right side
    743,416.42x = 414,353,094,643.23
  5. Step 5: Solve for x
    x = 414,353,094,643.23/743,416.42
  6. Step 6: Final answer
    x = 557,363.39

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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.