Home / 637,948.32-880,408.35-351,468.33

Finding the Fourth Proportional to 637,948.32, 880,408.35 and 351,468.33

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Solution

The fourth proportional to 637,948.32, 880,408.35 and 351,468.33 is: 485,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,948.32 : 880,408.35 = 351,468.33 : x
  2. Step 2: Convert to fraction form
    637,948.32/880,408.35 = 351,468.33/x
  3. Step 3: Cross multiply
    637,948.32x = 880,408.35 × 351,468.33
  4. Step 4: Simplify right side
    637,948.32x = 309,435,652,492.56
  5. Step 5: Solve for x
    x = 309,435,652,492.56/637,948.32
  6. Step 6: Final answer
    x = 485,048.15

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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.