Home / 404,856.40-606,895.80-314,849.20

Finding the Fourth Proportional to 404,856.40, 606,895.80 and 314,849.20

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Solution

The fourth proportional to 404,856.40, 606,895.80 and 314,849.20 is: 471,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,856.40 : 606,895.80 = 314,849.20 : x
  2. Step 2: Convert to fraction form
    404,856.40/606,895.80 = 314,849.20/x
  3. Step 3: Cross multiply
    404,856.40x = 606,895.80 × 314,849.20
  4. Step 4: Simplify right side
    404,856.40x = 191,080,657,113.36
  5. Step 5: Solve for x
    x = 191,080,657,113.36/404,856.40
  6. Step 6: Final answer
    x = 471,971.44

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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.