Home / 528,917.90-729,804.04-314,125.34

Finding the Fourth Proportional to 528,917.90, 729,804.04 and 314,125.34

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Solution

The fourth proportional to 528,917.90, 729,804.04 and 314,125.34 is: 433,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,917.90 : 729,804.04 = 314,125.34 : x
  2. Step 2: Convert to fraction form
    528,917.90/729,804.04 = 314,125.34/x
  3. Step 3: Cross multiply
    528,917.90x = 729,804.04 × 314,125.34
  4. Step 4: Simplify right side
    528,917.90x = 229,249,942,198.37
  5. Step 5: Solve for x
    x = 229,249,942,198.37/528,917.90
  6. Step 6: Final answer
    x = 433,432.00

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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.