Home / 908,203.84-1,362,290.88-309,581.76

Finding the Fourth Proportional to 908,203.84, 1,362,290.88 and 309,581.76

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Solution

The fourth proportional to 908,203.84, 1,362,290.88 and 309,581.76 is: 464,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,203.84 : 1,362,290.88 = 309,581.76 : x
  2. Step 2: Convert to fraction form
    908,203.84/1,362,290.88 = 309,581.76/x
  3. Step 3: Cross multiply
    908,203.84x = 1,362,290.88 × 309,581.76
  4. Step 4: Simplify right side
    908,203.84x = 421,740,408,262.35
  5. Step 5: Solve for x
    x = 421,740,408,262.35/908,203.84
  6. Step 6: Final answer
    x = 464,367.57

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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.