Home / 806,320.96-1,209,656.40-245,340.88

Finding the Fourth Proportional to 806,320.96, 1,209,656.40 and 245,340.88

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Solution

The fourth proportional to 806,320.96, 1,209,656.40 and 245,340.88 is: 368,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,320.96 : 1,209,656.40 = 245,340.88 : x
  2. Step 2: Convert to fraction form
    806,320.96/1,209,656.40 = 245,340.88/x
  3. Step 3: Cross multiply
    806,320.96x = 1,209,656.40 × 245,340.88
  4. Step 4: Simplify right side
    806,320.96x = 296,778,165,673.63
  5. Step 5: Solve for x
    x = 296,778,165,673.63/806,320.96
  6. Step 6: Final answer
    x = 368,064.56

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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.