Home / 804,538.40-1,206,969.60-235,918.40

Finding the Fourth Proportional to 804,538.40, 1,206,969.60 and 235,918.40

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Solution

The fourth proportional to 804,538.40, 1,206,969.60 and 235,918.40 is: 353,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,538.40 : 1,206,969.60 = 235,918.40 : x
  2. Step 2: Convert to fraction form
    804,538.40/1,206,969.60 = 235,918.40/x
  3. Step 3: Cross multiply
    804,538.40x = 1,206,969.60 × 235,918.40
  4. Step 4: Simplify right side
    804,538.40x = 284,746,336,880.64
  5. Step 5: Solve for x
    x = 284,746,336,880.64/804,538.40
  6. Step 6: Final answer
    x = 353,925.10

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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.