Home / 878,216.28-1,317,327.60-213,368.28

Finding the Fourth Proportional to 878,216.28, 1,317,327.60 and 213,368.28

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Solution

The fourth proportional to 878,216.28, 1,317,327.60 and 213,368.28 is: 320,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,216.28 : 1,317,327.60 = 213,368.28 : x
  2. Step 2: Convert to fraction form
    878,216.28/1,317,327.60 = 213,368.28/x
  3. Step 3: Cross multiply
    878,216.28x = 1,317,327.60 × 213,368.28
  4. Step 4: Simplify right side
    878,216.28x = 281,075,924,208.53
  5. Step 5: Solve for x
    x = 281,075,924,208.53/878,216.28
  6. Step 6: Final answer
    x = 320,053.19

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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.