Home / 776,583.12-1,072,015.35-522,081.93

Finding the Fourth Proportional to 776,583.12, 1,072,015.35 and 522,081.93

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Solution

The fourth proportional to 776,583.12, 1,072,015.35 and 522,081.93 is: 720,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,583.12 : 1,072,015.35 = 522,081.93 : x
  2. Step 2: Convert to fraction form
    776,583.12/1,072,015.35 = 522,081.93/x
  3. Step 3: Cross multiply
    776,583.12x = 1,072,015.35 × 522,081.93
  4. Step 4: Simplify right side
    776,583.12x = 559,679,842,917.63
  5. Step 5: Solve for x
    x = 559,679,842,917.63/776,583.12
  6. Step 6: Final answer
    x = 720,695.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.