Home / 908,427.85-1,362,835.52-453,263.83

Finding the Fourth Proportional to 908,427.85, 1,362,835.52 and 453,263.83

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Solution

The fourth proportional to 908,427.85, 1,362,835.52 and 453,263.83 is: 679,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,427.85 : 1,362,835.52 = 453,263.83 : x
  2. Step 2: Convert to fraction form
    908,427.85/1,362,835.52 = 453,263.83/x
  3. Step 3: Cross multiply
    908,427.85x = 1,362,835.52 × 453,263.83
  4. Step 4: Simplify right side
    908,427.85x = 617,724,047,455.24
  5. Step 5: Solve for x
    x = 617,724,047,455.24/908,427.85
  6. Step 6: Final answer
    x = 679,992.41

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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.