Home / 656,303.10-984,485.92-318,941.82

Finding the Fourth Proportional to 656,303.10, 984,485.92 and 318,941.82

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Solution

The fourth proportional to 656,303.10, 984,485.92 and 318,941.82 is: 478,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,303.10 : 984,485.92 = 318,941.82 : x
  2. Step 2: Convert to fraction form
    656,303.10/984,485.92 = 318,941.82/x
  3. Step 3: Cross multiply
    656,303.10x = 984,485.92 × 318,941.82
  4. Step 4: Simplify right side
    656,303.10x = 313,993,731,089.17
  5. Step 5: Solve for x
    x = 313,993,731,089.17/656,303.10
  6. Step 6: Final answer
    x = 478,427.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.