Home / 799,181.52-1,102,139.40-624,774.48

Finding the Fourth Proportional to 799,181.52, 1,102,139.40 and 624,774.48

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Solution

The fourth proportional to 799,181.52, 1,102,139.40 and 624,774.48 is: 861,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,181.52 : 1,102,139.40 = 624,774.48 : x
  2. Step 2: Convert to fraction form
    799,181.52/1,102,139.40 = 624,774.48/x
  3. Step 3: Cross multiply
    799,181.52x = 1,102,139.40 × 624,774.48
  4. Step 4: Simplify right side
    799,181.52x = 688,588,570,522.51
  5. Step 5: Solve for x
    x = 688,588,570,522.51/799,181.52
  6. Step 6: Final answer
    x = 861,617.23

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1.5x scale

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.