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Finding the Fourth Proportional to 478,798.16, 660,711.84 and 263,927.12

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Solution

The fourth proportional to 478,798.16, 660,711.84 and 263,927.12 is: 364,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,798.16 : 660,711.84 = 263,927.12 : x
  2. Step 2: Convert to fraction form
    478,798.16/660,711.84 = 263,927.12/x
  3. Step 3: Cross multiply
    478,798.16x = 660,711.84 × 263,927.12
  4. Step 4: Simplify right side
    478,798.16x = 174,379,773,081.10
  5. Step 5: Solve for x
    x = 174,379,773,081.10/478,798.16
  6. Step 6: Final answer
    x = 364,203.10

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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.