Home / 609,585.06-914,938.86-310,279.50

Finding the Fourth Proportional to 609,585.06, 914,938.86 and 310,279.50

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Solution

The fourth proportional to 609,585.06, 914,938.86 and 310,279.50 is: 465,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,585.06 : 914,938.86 = 310,279.50 : x
  2. Step 2: Convert to fraction form
    609,585.06/914,938.86 = 310,279.50/x
  3. Step 3: Cross multiply
    609,585.06x = 914,938.86 × 310,279.50
  4. Step 4: Simplify right side
    609,585.06x = 283,886,772,011.37
  5. Step 5: Solve for x
    x = 283,886,772,011.37/609,585.06
  6. Step 6: Final answer
    x = 465,704.94

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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.