Home / 707,629.12-976,518.52-401,702.83

Finding the Fourth Proportional to 707,629.12, 976,518.52 and 401,702.83

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Solution

The fourth proportional to 707,629.12, 976,518.52 and 401,702.83 is: 554,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,629.12 : 976,518.52 = 401,702.83 : x
  2. Step 2: Convert to fraction form
    707,629.12/976,518.52 = 401,702.83/x
  3. Step 3: Cross multiply
    707,629.12x = 976,518.52 × 401,702.83
  4. Step 4: Simplify right side
    707,629.12x = 392,270,249,585.86
  5. Step 5: Solve for x
    x = 392,270,249,585.86/707,629.12
  6. Step 6: Final answer
    x = 554,344.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.