Home / 706,936.80-975,563.28-384,643.20

Finding the Fourth Proportional to 706,936.80, 975,563.28 and 384,643.20

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Solution

The fourth proportional to 706,936.80, 975,563.28 and 384,643.20 is: 530,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,936.80 : 975,563.28 = 384,643.20 : x
  2. Step 2: Convert to fraction form
    706,936.80/975,563.28 = 384,643.20/x
  3. Step 3: Cross multiply
    706,936.80x = 975,563.28 × 384,643.20
  4. Step 4: Simplify right side
    706,936.80x = 375,243,781,821.70
  5. Step 5: Solve for x
    x = 375,243,781,821.70/706,936.80
  6. Step 6: Final answer
    x = 530,802.44

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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.