Home / 478,935.78-660,961.13-264,075.50

Finding the Fourth Proportional to 478,935.78, 660,961.13 and 264,075.50

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Solution

The fourth proportional to 478,935.78, 660,961.13 and 264,075.50 is: 364,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,935.78 : 660,961.13 = 264,075.50 : x
  2. Step 2: Convert to fraction form
    478,935.78/660,961.13 = 264,075.50/x
  3. Step 3: Cross multiply
    478,935.78x = 660,961.13 × 264,075.50
  4. Step 4: Simplify right side
    478,935.78x = 174,543,636,260.13
  5. Step 5: Solve for x
    x = 174,543,636,260.13/478,935.78
  6. Step 6: Final answer
    x = 364,440.59

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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.