Home / 878,496.78-1,211,420.43-751,592.46

Finding the Fourth Proportional to 878,496.78, 1,211,420.43 and 751,592.46

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Solution

The fourth proportional to 878,496.78, 1,211,420.43 and 751,592.46 is: 1,036,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,496.78 : 1,211,420.43 = 751,592.46 : x
  2. Step 2: Convert to fraction form
    878,496.78/1,211,420.43 = 751,592.46/x
  3. Step 3: Cross multiply
    878,496.78x = 1,211,420.43 × 751,592.46
  4. Step 4: Simplify right side
    878,496.78x = 910,494,461,077.96
  5. Step 5: Solve for x
    x = 910,494,461,077.96/878,496.78
  6. Step 6: Final answer
    x = 1,036,423.22

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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.