Home / 711,830.40-1,067,745.60-238,358.40

Finding the Fourth Proportional to 711,830.40, 1,067,745.60 and 238,358.40

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Solution

The fourth proportional to 711,830.40, 1,067,745.60 and 238,358.40 is: 357,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,830.40 : 1,067,745.60 = 238,358.40 : x
  2. Step 2: Convert to fraction form
    711,830.40/1,067,745.60 = 238,358.40/x
  3. Step 3: Cross multiply
    711,830.40x = 1,067,745.60 × 238,358.40
  4. Step 4: Simplify right side
    711,830.40x = 254,506,132,823.04
  5. Step 5: Solve for x
    x = 254,506,132,823.04/711,830.40
  6. Step 6: Final answer
    x = 357,537.60

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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.