Home / 531,779.52-733,865.73-290,070.73

Finding the Fourth Proportional to 531,779.52, 733,865.73 and 290,070.73

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Solution

The fourth proportional to 531,779.52, 733,865.73 and 290,070.73 is: 400,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,779.52 : 733,865.73 = 290,070.73 : x
  2. Step 2: Convert to fraction form
    531,779.52/733,865.73 = 290,070.73/x
  3. Step 3: Cross multiply
    531,779.52x = 733,865.73 × 290,070.73
  4. Step 4: Simplify right side
    531,779.52x = 212,872,968,023.08
  5. Step 5: Solve for x
    x = 212,872,968,023.08/531,779.52
  6. Step 6: Final answer
    x = 400,303.06

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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.