Home / 808,701.20-1,212,614.40-335,434.40

Finding the Fourth Proportional to 808,701.20, 1,212,614.40 and 335,434.40

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Solution

The fourth proportional to 808,701.20, 1,212,614.40 and 335,434.40 is: 502,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,701.20 : 1,212,614.40 = 335,434.40 : x
  2. Step 2: Convert to fraction form
    808,701.20/1,212,614.40 = 335,434.40/x
  3. Step 3: Cross multiply
    808,701.20x = 1,212,614.40 × 335,434.40
  4. Step 4: Simplify right side
    808,701.20x = 406,752,583,695.36
  5. Step 5: Solve for x
    x = 406,752,583,695.36/808,701.20
  6. Step 6: Final answer
    x = 502,970.17

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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.