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Finding the Fourth Proportional to 609,653.61, 915,047.83 and 310,358.26

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Solution

The fourth proportional to 609,653.61, 915,047.83 and 310,358.26 is: 465,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,653.61 : 915,047.83 = 310,358.26 : x
  2. Step 2: Convert to fraction form
    609,653.61/915,047.83 = 310,358.26/x
  3. Step 3: Cross multiply
    609,653.61x = 915,047.83 × 310,358.26
  4. Step 4: Simplify right side
    609,653.61x = 283,992,652,335.58
  5. Step 5: Solve for x
    x = 283,992,652,335.58/609,653.61
  6. Step 6: Final answer
    x = 465,826.25

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1.5x scale

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.