Home / 908,258.40-1,362,387.60-768,290.40

Finding the Fourth Proportional to 908,258.40, 1,362,387.60 and 768,290.40

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Solution

The fourth proportional to 908,258.40, 1,362,387.60 and 768,290.40 is: 1,152,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,258.40 : 1,362,387.60 = 768,290.40 : x
  2. Step 2: Convert to fraction form
    908,258.40/1,362,387.60 = 768,290.40/x
  3. Step 3: Cross multiply
    908,258.40x = 1,362,387.60 × 768,290.40
  4. Step 4: Simplify right side
    908,258.40x = 1,046,709,314,159.04
  5. Step 5: Solve for x
    x = 1,046,709,314,159.04/908,258.40
  6. Step 6: Final answer
    x = 1,152,435.60

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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.