Home / 549,354.84-823,903.20-309,573.24

Finding the Fourth Proportional to 549,354.84, 823,903.20 and 309,573.24

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Solution

The fourth proportional to 549,354.84, 823,903.20 and 309,573.24 is: 464,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,354.84 : 823,903.20 = 309,573.24 : x
  2. Step 2: Convert to fraction form
    549,354.84/823,903.20 = 309,573.24/x
  3. Step 3: Cross multiply
    549,354.84x = 823,903.20 × 309,573.24
  4. Step 4: Simplify right side
    549,354.84x = 255,058,383,070.37
  5. Step 5: Solve for x
    x = 255,058,383,070.37/549,354.84
  6. Step 6: Final answer
    x = 464,287.13

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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.