Home / 531,780.03-733,866.42-290,071.23

Finding the Fourth Proportional to 531,780.03, 733,866.42 and 290,071.23

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Solution

The fourth proportional to 531,780.03, 733,866.42 and 290,071.23 is: 400,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,780.03 : 733,866.42 = 290,071.23 : x
  2. Step 2: Convert to fraction form
    531,780.03/733,866.42 = 290,071.23/x
  3. Step 3: Cross multiply
    531,780.03x = 733,866.42 × 290,071.23
  4. Step 4: Simplify right side
    531,780.03x = 212,873,535,105.10
  5. Step 5: Solve for x
    x = 212,873,535,105.10/531,780.03
  6. Step 6: Final answer
    x = 400,303.74

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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.