Home / 965,039.98-1,447,570.36-291,127.12

Finding the Fourth Proportional to 965,039.98, 1,447,570.36 and 291,127.12

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Solution

The fourth proportional to 965,039.98, 1,447,570.36 and 291,127.12 is: 436,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,039.98 : 1,447,570.36 = 291,127.12 : x
  2. Step 2: Convert to fraction form
    965,039.98/1,447,570.36 = 291,127.12/x
  3. Step 3: Cross multiply
    965,039.98x = 1,447,570.36 × 291,127.12
  4. Step 4: Simplify right side
    965,039.98x = 421,426,989,904.16
  5. Step 5: Solve for x
    x = 421,426,989,904.16/965,039.98
  6. Step 6: Final answer
    x = 436,693.81

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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.