Home / 806,078.20-1,112,547-462,145.20

Finding the Fourth Proportional to 806,078.20, 1,112,547 and 462,145.20

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Solution

The fourth proportional to 806,078.20, 1,112,547 and 462,145.20 is: 637,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,078.20 : 1,112,547 = 462,145.20 : x
  2. Step 2: Convert to fraction form
    806,078.20/1,112,547 = 462,145.20/x
  3. Step 3: Cross multiply
    806,078.20x = 1,112,547 × 462,145.20
  4. Step 4: Simplify right side
    806,078.20x = 514,158,255,824.40
  5. Step 5: Solve for x
    x = 514,158,255,824.40/806,078.20
  6. Step 6: Final answer
    x = 637,851.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.