Home / 559,180.49-771,690.92-317,485.55

Finding the Fourth Proportional to 559,180.49, 771,690.92 and 317,485.55

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Solution

The fourth proportional to 559,180.49, 771,690.92 and 317,485.55 is: 438,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,180.49 : 771,690.92 = 317,485.55 : x
  2. Step 2: Convert to fraction form
    559,180.49/771,690.92 = 317,485.55/x
  3. Step 3: Cross multiply
    559,180.49x = 771,690.92 × 317,485.55
  4. Step 4: Simplify right side
    559,180.49x = 245,000,716,508.01
  5. Step 5: Solve for x
    x = 245,000,716,508.01/559,180.49
  6. Step 6: Final answer
    x = 438,142.47

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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.