Home / 654,015.50-902,788.02-382,171.77

Finding the Fourth Proportional to 654,015.50, 902,788.02 and 382,171.77

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Solution

The fourth proportional to 654,015.50, 902,788.02 and 382,171.77 is: 527,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,015.50 : 902,788.02 = 382,171.77 : x
  2. Step 2: Convert to fraction form
    654,015.50/902,788.02 = 382,171.77/x
  3. Step 3: Cross multiply
    654,015.50x = 902,788.02 × 382,171.77
  4. Step 4: Simplify right side
    654,015.50x = 345,020,095,538.20
  5. Step 5: Solve for x
    x = 345,020,095,538.20/654,015.50
  6. Step 6: Final answer
    x = 527,541.16

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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.