Home / 628,681.88-943,013.58-155,367.24

Finding the Fourth Proportional to 628,681.88, 943,013.58 and 155,367.24

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Solution

The fourth proportional to 628,681.88, 943,013.58 and 155,367.24 is: 233,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,681.88 : 943,013.58 = 155,367.24 : x
  2. Step 2: Convert to fraction form
    628,681.88/943,013.58 = 155,367.24/x
  3. Step 3: Cross multiply
    628,681.88x = 943,013.58 × 155,367.24
  4. Step 4: Simplify right side
    628,681.88x = 146,513,417,207.12
  5. Step 5: Solve for x
    x = 146,513,417,207.12/628,681.88
  6. Step 6: Final answer
    x = 233,048.58

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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.