Home / 478,935.45-660,960.68-264,075.26

Finding the Fourth Proportional to 478,935.45, 660,960.68 and 264,075.26

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Solution

The fourth proportional to 478,935.45, 660,960.68 and 264,075.26 is: 364,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,935.45 : 660,960.68 = 264,075.26 : x
  2. Step 2: Convert to fraction form
    478,935.45/660,960.68 = 264,075.26/x
  3. Step 3: Cross multiply
    478,935.45x = 660,960.68 × 264,075.26
  4. Step 4: Simplify right side
    478,935.45x = 174,543,358,795.60
  5. Step 5: Solve for x
    x = 174,543,358,795.60/478,935.45
  6. Step 6: Final answer
    x = 364,440.26

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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.