Home / 559,220.31-771,696.51-317,471.15

Finding the Fourth Proportional to 559,220.31, 771,696.51 and 317,471.15

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Solution

The fourth proportional to 559,220.31, 771,696.51 and 317,471.15 is: 438,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,220.31 : 771,696.51 = 317,471.15 : x
  2. Step 2: Convert to fraction form
    559,220.31/771,696.51 = 317,471.15/x
  3. Step 3: Cross multiply
    559,220.31x = 771,696.51 × 317,471.15
  4. Step 4: Simplify right side
    559,220.31x = 244,991,378,480.69
  5. Step 5: Solve for x
    x = 244,991,378,480.69/559,220.31
  6. Step 6: Final answer
    x = 438,094.57

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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.