Home / 878,678.46-1,317,759.35-373,235.40

Finding the Fourth Proportional to 878,678.46, 1,317,759.35 and 373,235.40

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Solution

The fourth proportional to 878,678.46, 1,317,759.35 and 373,235.40 is: 559,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,678.46 : 1,317,759.35 = 373,235.40 : x
  2. Step 2: Convert to fraction form
    878,678.46/1,317,759.35 = 373,235.40/x
  3. Step 3: Cross multiply
    878,678.46x = 1,317,759.35 × 373,235.40
  4. Step 4: Simplify right side
    878,678.46x = 491,834,436,234.81
  5. Step 5: Solve for x
    x = 491,834,436,234.81/878,678.46
  6. Step 6: Final answer
    x = 559,743.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.