Home / 948,295.23-1,308,634.83-540,421.35

Finding the Fourth Proportional to 948,295.23, 1,308,634.83 and 540,421.35

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Solution

The fourth proportional to 948,295.23, 1,308,634.83 and 540,421.35 is: 745,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,295.23 : 1,308,634.83 = 540,421.35 : x
  2. Step 2: Convert to fraction form
    948,295.23/1,308,634.83 = 540,421.35/x
  3. Step 3: Cross multiply
    948,295.23x = 1,308,634.83 × 540,421.35
  4. Step 4: Simplify right side
    948,295.23x = 707,214,201,485.62
  5. Step 5: Solve for x
    x = 707,214,201,485.62/948,295.23
  6. Step 6: Final answer
    x = 745,774.29

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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.