Home / 873,038.07-1,309,116.89-265,709.88

Finding the Fourth Proportional to 873,038.07, 1,309,116.89 and 265,709.88

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Solution

The fourth proportional to 873,038.07, 1,309,116.89 and 265,709.88 is: 398,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,038.07 : 1,309,116.89 = 265,709.88 : x
  2. Step 2: Convert to fraction form
    873,038.07/1,309,116.89 = 265,709.88/x
  3. Step 3: Cross multiply
    873,038.07x = 1,309,116.89 × 265,709.88
  4. Step 4: Simplify right side
    873,038.07x = 347,845,291,747.87
  5. Step 5: Solve for x
    x = 347,845,291,747.87/873,038.07
  6. Step 6: Final answer
    x = 398,430.84

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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.