Home / 921,364.23-1,382,243.13-322,344.93

Finding the Fourth Proportional to 921,364.23, 1,382,243.13 and 322,344.93

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Solution

The fourth proportional to 921,364.23, 1,382,243.13 and 322,344.93 is: 483,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,364.23 : 1,382,243.13 = 322,344.93 : x
  2. Step 2: Convert to fraction form
    921,364.23/1,382,243.13 = 322,344.93/x
  3. Step 3: Cross multiply
    921,364.23x = 1,382,243.13 × 322,344.93
  4. Step 4: Simplify right side
    921,364.23x = 445,559,064,982.83
  5. Step 5: Solve for x
    x = 445,559,064,982.83/921,364.23
  6. Step 6: Final answer
    x = 483,586.24

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1.5x scale

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.