Home / 948,087.86-1,308,352.30-518,363.42

Finding the Fourth Proportional to 948,087.86, 1,308,352.30 and 518,363.42

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Solution

The fourth proportional to 948,087.86, 1,308,352.30 and 518,363.42 is: 715,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,087.86 : 1,308,352.30 = 518,363.42 : x
  2. Step 2: Convert to fraction form
    948,087.86/1,308,352.30 = 518,363.42/x
  3. Step 3: Cross multiply
    948,087.86x = 1,308,352.30 × 518,363.42
  4. Step 4: Simplify right side
    948,087.86x = 678,201,964,955.20
  5. Step 5: Solve for x
    x = 678,201,964,955.20/948,087.86
  6. Step 6: Final answer
    x = 715,336.62

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Double scale
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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.