Home / 685,835.52-1,030,334.40-657,492.48

Finding the Fourth Proportional to 685,835.52, 1,030,334.40 and 657,492.48

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Solution

The fourth proportional to 685,835.52, 1,030,334.40 and 657,492.48 is: 987,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,835.52 : 1,030,334.40 = 657,492.48 : x
  2. Step 2: Convert to fraction form
    685,835.52/1,030,334.40 = 657,492.48/x
  3. Step 3: Cross multiply
    685,835.52x = 1,030,334.40 × 657,492.48
  4. Step 4: Simplify right side
    685,835.52x = 677,437,119,885.31
  5. Step 5: Solve for x
    x = 677,437,119,885.31/685,835.52
  6. Step 6: Final answer
    x = 987,754.50

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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.