Home / 976,863.88-1,348,730.40-609,900.28

Finding the Fourth Proportional to 976,863.88, 1,348,730.40 and 609,900.28

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Solution

The fourth proportional to 976,863.88, 1,348,730.40 and 609,900.28 is: 842,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,863.88 : 1,348,730.40 = 609,900.28 : x
  2. Step 2: Convert to fraction form
    976,863.88/1,348,730.40 = 609,900.28/x
  3. Step 3: Cross multiply
    976,863.88x = 1,348,730.40 × 609,900.28
  4. Step 4: Simplify right side
    976,863.88x = 822,591,048,604.51
  5. Step 5: Solve for x
    x = 822,591,048,604.51/976,863.88
  6. Step 6: Final answer
    x = 842,073.36

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1.5x scale

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.