Home / 912,303.65-1,368,034.26-335,782.12

Finding the Fourth Proportional to 912,303.65, 1,368,034.26 and 335,782.12

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Solution

The fourth proportional to 912,303.65, 1,368,034.26 and 335,782.12 is: 503,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,303.65 : 1,368,034.26 = 335,782.12 : x
  2. Step 2: Convert to fraction form
    912,303.65/1,368,034.26 = 335,782.12/x
  3. Step 3: Cross multiply
    912,303.65x = 1,368,034.26 × 335,782.12
  4. Step 4: Simplify right side
    912,303.65x = 459,361,444,310.95
  5. Step 5: Solve for x
    x = 459,361,444,310.95/912,303.65
  6. Step 6: Final answer
    x = 503,518.15

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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.