Home / 832,362.72-1,248,729.84-326,972.64

Finding the Fourth Proportional to 832,362.72, 1,248,729.84 and 326,972.64

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Solution

The fourth proportional to 832,362.72, 1,248,729.84 and 326,972.64 is: 490,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,362.72 : 1,248,729.84 = 326,972.64 : x
  2. Step 2: Convert to fraction form
    832,362.72/1,248,729.84 = 326,972.64/x
  3. Step 3: Cross multiply
    832,362.72x = 1,248,729.84 × 326,972.64
  4. Step 4: Simplify right side
    832,362.72x = 408,300,492,431.58
  5. Step 5: Solve for x
    x = 408,300,492,431.58/832,362.72
  6. Step 6: Final answer
    x = 490,531.93

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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.