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Finding the Fourth Proportional to 478,898.63, 660,866.45 and 264,038.94

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Solution

The fourth proportional to 478,898.63, 660,866.45 and 264,038.94 is: 364,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,898.63 : 660,866.45 = 264,038.94 : x
  2. Step 2: Convert to fraction form
    478,898.63/660,866.45 = 264,038.94/x
  3. Step 3: Cross multiply
    478,898.63x = 660,866.45 × 264,038.94
  4. Step 4: Simplify right side
    478,898.63x = 174,494,475,619.37
  5. Step 5: Solve for x
    x = 174,494,475,619.37/478,898.63
  6. Step 6: Final answer
    x = 364,366.20

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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.