Home / 559,205.18-771,711.93-304,556.16

Finding the Fourth Proportional to 559,205.18, 771,711.93 and 304,556.16

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Solution

The fourth proportional to 559,205.18, 771,711.93 and 304,556.16 is: 420,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,205.18 : 771,711.93 = 304,556.16 : x
  2. Step 2: Convert to fraction form
    559,205.18/771,711.93 = 304,556.16/x
  3. Step 3: Cross multiply
    559,205.18x = 771,711.93 × 304,556.16
  4. Step 4: Simplify right side
    559,205.18x = 235,029,622,026.99
  5. Step 5: Solve for x
    x = 235,029,622,026.99/559,205.18
  6. Step 6: Final answer
    x = 420,292.29

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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.