Home / 589,637.80-884,262.30-215,612.20

Finding the Fourth Proportional to 589,637.80, 884,262.30 and 215,612.20

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Solution

The fourth proportional to 589,637.80, 884,262.30 and 215,612.20 is: 323,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,637.80 : 884,262.30 = 215,612.20 : x
  2. Step 2: Convert to fraction form
    589,637.80/884,262.30 = 215,612.20/x
  3. Step 3: Cross multiply
    589,637.80x = 884,262.30 × 215,612.20
  4. Step 4: Simplify right side
    589,637.80x = 190,657,739,880.06
  5. Step 5: Solve for x
    x = 190,657,739,880.06/589,637.80
  6. Step 6: Final answer
    x = 323,347.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.