Home / 830,022.10-1,246,199.55-515,094.10

Finding the Fourth Proportional to 830,022.10, 1,246,199.55 and 515,094.10

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Solution

The fourth proportional to 830,022.10, 1,246,199.55 and 515,094.10 is: 773,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,022.10 : 1,246,199.55 = 515,094.10 : x
  2. Step 2: Convert to fraction form
    830,022.10/1,246,199.55 = 515,094.10/x
  3. Step 3: Cross multiply
    830,022.10x = 1,246,199.55 × 515,094.10
  4. Step 4: Simplify right side
    830,022.10x = 641,910,035,627.66
  5. Step 5: Solve for x
    x = 641,910,035,627.66/830,022.10
  6. Step 6: Final answer
    x = 773,364.99

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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.