Home / 478,226.02-659,946.94-263,361.50

Finding the Fourth Proportional to 478,226.02, 659,946.94 and 263,361.50

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Solution

The fourth proportional to 478,226.02, 659,946.94 and 263,361.50 is: 363,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,226.02 : 659,946.94 = 263,361.50 : x
  2. Step 2: Convert to fraction form
    478,226.02/659,946.94 = 263,361.50/x
  3. Step 3: Cross multiply
    478,226.02x = 659,946.94 × 263,361.50
  4. Step 4: Simplify right side
    478,226.02x = 173,804,616,038.81
  5. Step 5: Solve for x
    x = 173,804,616,038.81/478,226.02
  6. Step 6: Final answer
    x = 363,436.13

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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.