Home / 509,242.35-702,462.04-317,923.59

Finding the Fourth Proportional to 509,242.35, 702,462.04 and 317,923.59

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Solution

The fourth proportional to 509,242.35, 702,462.04 and 317,923.59 is: 438,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,242.35 : 702,462.04 = 317,923.59 : x
  2. Step 2: Convert to fraction form
    509,242.35/702,462.04 = 317,923.59/x
  3. Step 3: Cross multiply
    509,242.35x = 702,462.04 × 317,923.59
  4. Step 4: Simplify right side
    509,242.35x = 223,329,253,595.52
  5. Step 5: Solve for x
    x = 223,329,253,595.52/509,242.35
  6. Step 6: Final answer
    x = 438,552.00

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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.