Home / 908,279.40-1,362,419.10-768,311.40

Finding the Fourth Proportional to 908,279.40, 1,362,419.10 and 768,311.40

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Solution

The fourth proportional to 908,279.40, 1,362,419.10 and 768,311.40 is: 1,152,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,279.40 : 1,362,419.10 = 768,311.40 : x
  2. Step 2: Convert to fraction form
    908,279.40/1,362,419.10 = 768,311.40/x
  3. Step 3: Cross multiply
    908,279.40x = 1,362,419.10 × 768,311.40
  4. Step 4: Simplify right side
    908,279.40x = 1,046,762,126,107.74
  5. Step 5: Solve for x
    x = 1,046,762,126,107.74/908,279.40
  6. Step 6: Final answer
    x = 1,152,467.10

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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.