Home / 845,068.99-1,267,661.97-339,630.39

Finding the Fourth Proportional to 845,068.99, 1,267,661.97 and 339,630.39

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Solution

The fourth proportional to 845,068.99, 1,267,661.97 and 339,630.39 is: 509,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,068.99 : 1,267,661.97 = 339,630.39 : x
  2. Step 2: Convert to fraction form
    845,068.99/1,267,661.97 = 339,630.39/x
  3. Step 3: Cross multiply
    845,068.99x = 1,267,661.97 × 339,630.39
  4. Step 4: Simplify right side
    845,068.99x = 430,536,533,779.78
  5. Step 5: Solve for x
    x = 430,536,533,779.78/845,068.99
  6. Step 6: Final answer
    x = 509,469.10

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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.