Home / 885,938.32-1,329,006.84-324,971.20

Finding the Fourth Proportional to 885,938.32, 1,329,006.84 and 324,971.20

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Solution

The fourth proportional to 885,938.32, 1,329,006.84 and 324,971.20 is: 487,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,938.32 : 1,329,006.84 = 324,971.20 : x
  2. Step 2: Convert to fraction form
    885,938.32/1,329,006.84 = 324,971.20/x
  3. Step 3: Cross multiply
    885,938.32x = 1,329,006.84 × 324,971.20
  4. Step 4: Simplify right side
    885,938.32x = 431,888,947,603.01
  5. Step 5: Solve for x
    x = 431,888,947,603.01/885,938.32
  6. Step 6: Final answer
    x = 487,493.25

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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.