Home / 999,971.42-1,500,113.55-325,896.08

Finding the Fourth Proportional to 999,971.42, 1,500,113.55 and 325,896.08

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Solution

The fourth proportional to 999,971.42, 1,500,113.55 and 325,896.08 is: 488,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,971.42 : 1,500,113.55 = 325,896.08 : x
  2. Step 2: Convert to fraction form
    999,971.42/1,500,113.55 = 325,896.08/x
  3. Step 3: Cross multiply
    999,971.42x = 1,500,113.55 × 325,896.08
  4. Step 4: Simplify right side
    999,971.42x = 488,881,125,499.88
  5. Step 5: Solve for x
    x = 488,881,125,499.88/999,971.42
  6. Step 6: Final answer
    x = 488,895.10

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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.