Home / 575,621.10-794,362.89-317,509.08

Finding the Fourth Proportional to 575,621.10, 794,362.89 and 317,509.08

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Solution

The fourth proportional to 575,621.10, 794,362.89 and 317,509.08 is: 438,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,621.10 : 794,362.89 = 317,509.08 : x
  2. Step 2: Convert to fraction form
    575,621.10/794,362.89 = 317,509.08/x
  3. Step 3: Cross multiply
    575,621.10x = 794,362.89 × 317,509.08
  4. Step 4: Simplify right side
    575,621.10x = 252,217,430,390.04
  5. Step 5: Solve for x
    x = 252,217,430,390.04/575,621.10
  6. Step 6: Final answer
    x = 438,165.71

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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.