Home / 767,092.34-1,058,564.49-418,219.35

Finding the Fourth Proportional to 767,092.34, 1,058,564.49 and 418,219.35

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Solution

The fourth proportional to 767,092.34, 1,058,564.49 and 418,219.35 is: 577,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,092.34 : 1,058,564.49 = 418,219.35 : x
  2. Step 2: Convert to fraction form
    767,092.34/1,058,564.49 = 418,219.35/x
  3. Step 3: Cross multiply
    767,092.34x = 1,058,564.49 × 418,219.35
  4. Step 4: Simplify right side
    767,092.34x = 442,712,152,940.88
  5. Step 5: Solve for x
    x = 442,712,152,940.88/767,092.34
  6. Step 6: Final answer
    x = 577,130.20

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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.