Home / 771,761.12-1,158,036.75-367,410.74

Finding the Fourth Proportional to 771,761.12, 1,158,036.75 and 367,410.74

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Solution

The fourth proportional to 771,761.12, 1,158,036.75 and 367,410.74 is: 551,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,761.12 : 1,158,036.75 = 367,410.74 : x
  2. Step 2: Convert to fraction form
    771,761.12/1,158,036.75 = 367,410.74/x
  3. Step 3: Cross multiply
    771,761.12x = 1,158,036.75 × 367,410.74
  4. Step 4: Simplify right side
    771,761.12x = 425,475,133,474.51
  5. Step 5: Solve for x
    x = 425,475,133,474.51/771,761.12
  6. Step 6: Final answer
    x = 551,304.19

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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.