Home / 720,548.52-1,080,822.78-188,064.90

Finding the Fourth Proportional to 720,548.52, 1,080,822.78 and 188,064.90

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Solution

The fourth proportional to 720,548.52, 1,080,822.78 and 188,064.90 is: 282,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,548.52 : 1,080,822.78 = 188,064.90 : x
  2. Step 2: Convert to fraction form
    720,548.52/1,080,822.78 = 188,064.90/x
  3. Step 3: Cross multiply
    720,548.52x = 1,080,822.78 × 188,064.90
  4. Step 4: Simplify right side
    720,548.52x = 203,264,828,038.42
  5. Step 5: Solve for x
    x = 203,264,828,038.42/720,548.52
  6. Step 6: Final answer
    x = 282,097.35

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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.