Home / 948,263.52-1,308,536.46-540,352.38

Finding the Fourth Proportional to 948,263.52, 1,308,536.46 and 540,352.38

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Solution

The fourth proportional to 948,263.52, 1,308,536.46 and 540,352.38 is: 745,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,263.52 : 1,308,536.46 = 540,352.38 : x
  2. Step 2: Convert to fraction form
    948,263.52/1,308,536.46 = 540,352.38/x
  3. Step 3: Cross multiply
    948,263.52x = 1,308,536.46 × 540,352.38
  4. Step 4: Simplify right side
    948,263.52x = 707,070,790,477.78
  5. Step 5: Solve for x
    x = 707,070,790,477.78/948,263.52
  6. Step 6: Final answer
    x = 745,647.99

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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.