Home / 830,460.85-1,146,035.99-448,487.66

Finding the Fourth Proportional to 830,460.85, 1,146,035.99 and 448,487.66

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Solution

The fourth proportional to 830,460.85, 1,146,035.99 and 448,487.66 is: 618,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,460.85 : 1,146,035.99 = 448,487.66 : x
  2. Step 2: Convert to fraction form
    830,460.85/1,146,035.99 = 448,487.66/x
  3. Step 3: Cross multiply
    830,460.85x = 1,146,035.99 × 448,487.66
  4. Step 4: Simplify right side
    830,460.85x = 513,982,999,430.88
  5. Step 5: Solve for x
    x = 513,982,999,430.88/830,460.85
  6. Step 6: Final answer
    x = 618,912.98

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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.