Home / 525,344.40-788,060.34-209,629.08

Finding the Fourth Proportional to 525,344.40, 788,060.34 and 209,629.08

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Solution

The fourth proportional to 525,344.40, 788,060.34 and 209,629.08 is: 314,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,344.40 : 788,060.34 = 209,629.08 : x
  2. Step 2: Convert to fraction form
    525,344.40/788,060.34 = 209,629.08/x
  3. Step 3: Cross multiply
    525,344.40x = 788,060.34 × 209,629.08
  4. Step 4: Simplify right side
    525,344.40x = 165,200,364,058.69
  5. Step 5: Solve for x
    x = 165,200,364,058.69/525,344.40
  6. Step 6: Final answer
    x = 314,461.07

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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.