Home / 808,550.06-1,212,820.05-209,509.70

Finding the Fourth Proportional to 808,550.06, 1,212,820.05 and 209,509.70

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Solution

The fourth proportional to 808,550.06, 1,212,820.05 and 209,509.70 is: 314,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,550.06 : 1,212,820.05 = 209,509.70 : x
  2. Step 2: Convert to fraction form
    808,550.06/1,212,820.05 = 209,509.70/x
  3. Step 3: Cross multiply
    808,550.06x = 1,212,820.05 × 209,509.70
  4. Step 4: Simplify right side
    808,550.06x = 254,097,564,829.49
  5. Step 5: Solve for x
    x = 254,097,564,829.49/808,550.06
  6. Step 6: Final answer
    x = 314,263.24

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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.