Home / 948,361.03-1,308,711.68-518,631.93

Finding the Fourth Proportional to 948,361.03, 1,308,711.68 and 518,631.93

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Solution

The fourth proportional to 948,361.03, 1,308,711.68 and 518,631.93 is: 715,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,361.03 : 1,308,711.68 = 518,631.93 : x
  2. Step 2: Convert to fraction form
    948,361.03/1,308,711.68 = 518,631.93/x
  3. Step 3: Cross multiply
    948,361.03x = 1,308,711.68 × 518,631.93
  4. Step 4: Simplify right side
    948,361.03x = 678,739,666,680.96
  5. Step 5: Solve for x
    x = 678,739,666,680.96/948,361.03
  6. Step 6: Final answer
    x = 715,697.55

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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.