Home / 705,914.04-1,059,068.70-285,485.16

Finding the Fourth Proportional to 705,914.04, 1,059,068.70 and 285,485.16

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Solution

The fourth proportional to 705,914.04, 1,059,068.70 and 285,485.16 is: 428,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,914.04 : 1,059,068.70 = 285,485.16 : x
  2. Step 2: Convert to fraction form
    705,914.04/1,059,068.70 = 285,485.16/x
  3. Step 3: Cross multiply
    705,914.04x = 1,059,068.70 × 285,485.16
  4. Step 4: Simplify right side
    705,914.04x = 302,348,397,270.49
  5. Step 5: Solve for x
    x = 302,348,397,270.49/705,914.04
  6. Step 6: Final answer
    x = 428,307.67

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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.