Home / 808,637.80-1,213,248.30-335,468.20

Finding the Fourth Proportional to 808,637.80, 1,213,248.30 and 335,468.20

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Solution

The fourth proportional to 808,637.80, 1,213,248.30 and 335,468.20 is: 503,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,637.80 : 1,213,248.30 = 335,468.20 : x
  2. Step 2: Convert to fraction form
    808,637.80/1,213,248.30 = 335,468.20/x
  3. Step 3: Cross multiply
    808,637.80x = 1,213,248.30 × 335,468.20
  4. Step 4: Simplify right side
    808,637.80x = 407,006,223,354.06
  5. Step 5: Solve for x
    x = 407,006,223,354.06/808,637.80
  6. Step 6: Final answer
    x = 503,323.27

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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.