Home / 407,475.09-562,698.53-262,535.31

Finding the Fourth Proportional to 407,475.09, 562,698.53 and 262,535.31

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Solution

The fourth proportional to 407,475.09, 562,698.53 and 262,535.31 is: 362,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,475.09 : 562,698.53 = 262,535.31 : x
  2. Step 2: Convert to fraction form
    407,475.09/562,698.53 = 262,535.31/x
  3. Step 3: Cross multiply
    407,475.09x = 562,698.53 × 262,535.31
  4. Step 4: Simplify right side
    407,475.09x = 147,728,232,681.93
  5. Step 5: Solve for x
    x = 147,728,232,681.93/407,475.09
  6. Step 6: Final answer
    x = 362,545.43

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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.