Home / 1,007,457.30-1,511,176.77-408,276

Finding the Fourth Proportional to 1,007,457.30, 1,511,176.77 and 408,276

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Solution

The fourth proportional to 1,007,457.30, 1,511,176.77 and 408,276 is: 612,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,457.30 : 1,511,176.77 = 408,276 : x
  2. Step 2: Convert to fraction form
    1,007,457.30/1,511,176.77 = 408,276/x
  3. Step 3: Cross multiply
    1,007,457.30x = 1,511,176.77 × 408,276
  4. Step 4: Simplify right side
    1,007,457.30x = 616,977,206,948.52
  5. Step 5: Solve for x
    x = 616,977,206,948.52/1,007,457.30
  6. Step 6: Final answer
    x = 612,410.28

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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.