Home / 695,165.69-1,042,914.99-290,132.67

Finding the Fourth Proportional to 695,165.69, 1,042,914.99 and 290,132.67

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Solution

The fourth proportional to 695,165.69, 1,042,914.99 and 290,132.67 is: 435,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,165.69 : 1,042,914.99 = 290,132.67 : x
  2. Step 2: Convert to fraction form
    695,165.69/1,042,914.99 = 290,132.67/x
  3. Step 3: Cross multiply
    695,165.69x = 1,042,914.99 × 290,132.67
  4. Step 4: Simplify right side
    695,165.69x = 302,583,710,631.72
  5. Step 5: Solve for x
    x = 302,583,710,631.72/695,165.69
  6. Step 6: Final answer
    x = 435,268.48

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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.