Home / 531,931.59-734,109.08-302,560.64

Finding the Fourth Proportional to 531,931.59, 734,109.08 and 302,560.64

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Solution

The fourth proportional to 531,931.59, 734,109.08 and 302,560.64 is: 417,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,931.59 : 734,109.08 = 302,560.64 : x
  2. Step 2: Convert to fraction form
    531,931.59/734,109.08 = 302,560.64/x
  3. Step 3: Cross multiply
    531,931.59x = 734,109.08 × 302,560.64
  4. Step 4: Simplify right side
    531,931.59x = 222,112,507,891.26
  5. Step 5: Solve for x
    x = 222,112,507,891.26/531,931.59
  6. Step 6: Final answer
    x = 417,558.41

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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.