Home / 948,538.78-1,308,950.35-540,771.93

Finding the Fourth Proportional to 948,538.78, 1,308,950.35 and 540,771.93

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Solution

The fourth proportional to 948,538.78, 1,308,950.35 and 540,771.93 is: 746,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,538.78 : 1,308,950.35 = 540,771.93 : x
  2. Step 2: Convert to fraction form
    948,538.78/1,308,950.35 = 540,771.93/x
  3. Step 3: Cross multiply
    948,538.78x = 1,308,950.35 × 540,771.93
  4. Step 4: Simplify right side
    948,538.78x = 707,843,605,691.75
  5. Step 5: Solve for x
    x = 707,843,605,691.75/948,538.78
  6. Step 6: Final answer
    x = 746,246.36

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1.5x scale

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.