Home / 948,100.82-1,308,379.23-518,381.24

Finding the Fourth Proportional to 948,100.82, 1,308,379.23 and 518,381.24

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Solution

The fourth proportional to 948,100.82, 1,308,379.23 and 518,381.24 is: 715,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,100.82 : 1,308,379.23 = 518,381.24 : x
  2. Step 2: Convert to fraction form
    948,100.82/1,308,379.23 = 518,381.24/x
  3. Step 3: Cross multiply
    948,100.82x = 1,308,379.23 × 518,381.24
  4. Step 4: Simplify right side
    948,100.82x = 678,239,241,095.75
  5. Step 5: Solve for x
    x = 678,239,241,095.75/948,100.82
  6. Step 6: Final answer
    x = 715,366.16

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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.