Home / 917,362.61-1,266,002.43-509,466.26

Finding the Fourth Proportional to 917,362.61, 1,266,002.43 and 509,466.26

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Solution

The fourth proportional to 917,362.61, 1,266,002.43 and 509,466.26 is: 703,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,362.61 : 1,266,002.43 = 509,466.26 : x
  2. Step 2: Convert to fraction form
    917,362.61/1,266,002.43 = 509,466.26/x
  3. Step 3: Cross multiply
    917,362.61x = 1,266,002.43 × 509,466.26
  4. Step 4: Simplify right side
    917,362.61x = 644,985,523,163.01
  5. Step 5: Solve for x
    x = 644,985,523,163.01/917,362.61
  6. Step 6: Final answer
    x = 703,086.78

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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.