Home / 438,475.02-657,669.44-297,227.63

Finding the Fourth Proportional to 438,475.02, 657,669.44 and 297,227.63

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Solution

The fourth proportional to 438,475.02, 657,669.44 and 297,227.63 is: 445,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,475.02 : 657,669.44 = 297,227.63 : x
  2. Step 2: Convert to fraction form
    438,475.02/657,669.44 = 297,227.63/x
  3. Step 3: Cross multiply
    438,475.02x = 657,669.44 × 297,227.63
  4. Step 4: Simplify right side
    438,475.02x = 195,477,524,200.14
  5. Step 5: Solve for x
    x = 195,477,524,200.14/438,475.02
  6. Step 6: Final answer
    x = 445,812.22

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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.