Home / 558,970.60-771,378.37-304,321.18

Finding the Fourth Proportional to 558,970.60, 771,378.37 and 304,321.18

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Solution

The fourth proportional to 558,970.60, 771,378.37 and 304,321.18 is: 419,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,970.60 : 771,378.37 = 304,321.18 : x
  2. Step 2: Convert to fraction form
    558,970.60/771,378.37 = 304,321.18/x
  3. Step 3: Cross multiply
    558,970.60x = 771,378.37 × 304,321.18
  4. Step 4: Simplify right side
    558,970.60x = 234,746,775,784.88
  5. Step 5: Solve for x
    x = 234,746,775,784.88/558,970.60
  6. Step 6: Final answer
    x = 419,962.65

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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.