Home / 623,891.05-860,760.23-508,971.03

Finding the Fourth Proportional to 623,891.05, 860,760.23 and 508,971.03

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Solution

The fourth proportional to 623,891.05, 860,760.23 and 508,971.03 is: 702,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,891.05 : 860,760.23 = 508,971.03 : x
  2. Step 2: Convert to fraction form
    623,891.05/860,760.23 = 508,971.03/x
  3. Step 3: Cross multiply
    623,891.05x = 860,760.23 × 508,971.03
  4. Step 4: Simplify right side
    623,891.05x = 438,102,020,846.14
  5. Step 5: Solve for x
    x = 438,102,020,846.14/623,891.05
  6. Step 6: Final answer
    x = 702,209.18

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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.