Home / 535,867.65-739,488.07-290,847.15

Finding the Fourth Proportional to 535,867.65, 739,488.07 and 290,847.15

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Solution

The fourth proportional to 535,867.65, 739,488.07 and 290,847.15 is: 401,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,867.65 : 739,488.07 = 290,847.15 : x
  2. Step 2: Convert to fraction form
    535,867.65/739,488.07 = 290,847.15/x
  3. Step 3: Cross multiply
    535,867.65x = 739,488.07 × 290,847.15
  4. Step 4: Simplify right side
    535,867.65x = 215,077,997,618.50
  5. Step 5: Solve for x
    x = 215,077,997,618.50/535,867.65
  6. Step 6: Final answer
    x = 401,364.03

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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.