Home / 710,767.89-1,065,994.63-205,219.15

Finding the Fourth Proportional to 710,767.89, 1,065,994.63 and 205,219.15

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Solution

The fourth proportional to 710,767.89, 1,065,994.63 and 205,219.15 is: 307,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,767.89 : 1,065,994.63 = 205,219.15 : x
  2. Step 2: Convert to fraction form
    710,767.89/1,065,994.63 = 205,219.15/x
  3. Step 3: Cross multiply
    710,767.89x = 1,065,994.63 × 205,219.15
  4. Step 4: Simplify right side
    710,767.89x = 218,762,508,695.13
  5. Step 5: Solve for x
    x = 218,762,508,695.13/710,767.89
  6. Step 6: Final answer
    x = 307,783.33

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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.