Home / 897,237.40-1,345,855.98-266,145.76

Finding the Fourth Proportional to 897,237.40, 1,345,855.98 and 266,145.76

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Solution

The fourth proportional to 897,237.40, 1,345,855.98 and 266,145.76 is: 399,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,237.40 : 1,345,855.98 = 266,145.76 : x
  2. Step 2: Convert to fraction form
    897,237.40/1,345,855.98 = 266,145.76/x
  3. Step 3: Cross multiply
    897,237.40x = 1,345,855.98 × 266,145.76
  4. Step 4: Simplify right side
    897,237.40x = 358,193,862,647.65
  5. Step 5: Solve for x
    x = 358,193,862,647.65/897,237.40
  6. Step 6: Final answer
    x = 399,218.60

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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.