Home / 555,476.04-766,619.28-313,774.18

Finding the Fourth Proportional to 555,476.04, 766,619.28 and 313,774.18

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Solution

The fourth proportional to 555,476.04, 766,619.28 and 313,774.18 is: 433,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,476.04 : 766,619.28 = 313,774.18 : x
  2. Step 2: Convert to fraction form
    555,476.04/766,619.28 = 313,774.18/x
  3. Step 3: Cross multiply
    555,476.04x = 766,619.28 × 313,774.18
  4. Step 4: Simplify right side
    555,476.04x = 240,545,335,954.19
  5. Step 5: Solve for x
    x = 240,545,335,954.19/555,476.04
  6. Step 6: Final answer
    x = 433,043.59

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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.