Home / 897,213.63-1,238,105.43-509,975.22

Finding the Fourth Proportional to 897,213.63, 1,238,105.43 and 509,975.22

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Solution

The fourth proportional to 897,213.63, 1,238,105.43 and 509,975.22 is: 703,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,213.63 : 1,238,105.43 = 509,975.22 : x
  2. Step 2: Convert to fraction form
    897,213.63/1,238,105.43 = 509,975.22/x
  3. Step 3: Cross multiply
    897,213.63x = 1,238,105.43 × 509,975.22
  4. Step 4: Simplify right side
    897,213.63x = 631,403,089,047.45
  5. Step 5: Solve for x
    x = 631,403,089,047.45/897,213.63
  6. Step 6: Final answer
    x = 703,737.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.