Home / 790,031.98-1,089,949.16-518,250.76

Finding the Fourth Proportional to 790,031.98, 1,089,949.16 and 518,250.76

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Solution

The fourth proportional to 790,031.98, 1,089,949.16 and 518,250.76 is: 714,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,031.98 : 1,089,949.16 = 518,250.76 : x
  2. Step 2: Convert to fraction form
    790,031.98/1,089,949.16 = 518,250.76/x
  3. Step 3: Cross multiply
    790,031.98x = 1,089,949.16 × 518,250.76
  4. Step 4: Simplify right side
    790,031.98x = 564,866,979,102.12
  5. Step 5: Solve for x
    x = 564,866,979,102.12/790,031.98
  6. Step 6: Final answer
    x = 714,992.55

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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.