Home / 720,261.48-1,079,323.08-293,274.96

Finding the Fourth Proportional to 720,261.48, 1,079,323.08 and 293,274.96

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Solution

The fourth proportional to 720,261.48, 1,079,323.08 and 293,274.96 is: 439,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,261.48 : 1,079,323.08 = 293,274.96 : x
  2. Step 2: Convert to fraction form
    720,261.48/1,079,323.08 = 293,274.96/x
  3. Step 3: Cross multiply
    720,261.48x = 1,079,323.08 × 293,274.96
  4. Step 4: Simplify right side
    720,261.48x = 316,538,433,114.08
  5. Step 5: Solve for x
    x = 316,538,433,114.08/720,261.48
  6. Step 6: Final answer
    x = 439,477.11

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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.