Home / 948,444.84-1,308,837.42-518,715.54

Finding the Fourth Proportional to 948,444.84, 1,308,837.42 and 518,715.54

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Solution

The fourth proportional to 948,444.84, 1,308,837.42 and 518,715.54 is: 715,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,444.84 : 1,308,837.42 = 518,715.54 : x
  2. Step 2: Convert to fraction form
    948,444.84/1,308,837.42 = 518,715.54/x
  3. Step 3: Cross multiply
    948,444.84x = 1,308,837.42 × 518,715.54
  4. Step 4: Simplify right side
    948,444.84x = 678,914,309,087.51
  5. Step 5: Solve for x
    x = 678,914,309,087.51/948,444.84
  6. Step 6: Final answer
    x = 715,818.44

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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.