Home / 720,054.54-1,080,077.90-293,588.70

Finding the Fourth Proportional to 720,054.54, 1,080,077.90 and 293,588.70

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Solution

The fourth proportional to 720,054.54, 1,080,077.90 and 293,588.70 is: 440,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,054.54 : 1,080,077.90 = 293,588.70 : x
  2. Step 2: Convert to fraction form
    720,054.54/1,080,077.90 = 293,588.70/x
  3. Step 3: Cross multiply
    720,054.54x = 1,080,077.90 × 293,588.70
  4. Step 4: Simplify right side
    720,054.54x = 317,098,666,559.73
  5. Step 5: Solve for x
    x = 317,098,666,559.73/720,054.54
  6. Step 6: Final answer
    x = 440,381.46

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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.