Home / 948,318.35-1,308,679.26-518,598.77

Finding the Fourth Proportional to 948,318.35, 1,308,679.26 and 518,598.77

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Solution

The fourth proportional to 948,318.35, 1,308,679.26 and 518,598.77 is: 715,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,318.35 : 1,308,679.26 = 518,598.77 : x
  2. Step 2: Convert to fraction form
    948,318.35/1,308,679.26 = 518,598.77/x
  3. Step 3: Cross multiply
    948,318.35x = 1,308,679.26 × 518,598.77
  4. Step 4: Simplify right side
    948,318.35x = 678,679,454,560.51
  5. Step 5: Solve for x
    x = 678,679,454,560.51/948,318.35
  6. Step 6: Final answer
    x = 715,666.27

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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.