Home / 845,750.23-1,269,255.83-340,315.49

Finding the Fourth Proportional to 845,750.23, 1,269,255.83 and 340,315.49

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Solution

The fourth proportional to 845,750.23, 1,269,255.83 and 340,315.49 is: 510,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,750.23 : 1,269,255.83 = 340,315.49 : x
  2. Step 2: Convert to fraction form
    845,750.23/1,269,255.83 = 340,315.49/x
  3. Step 3: Cross multiply
    845,750.23x = 1,269,255.83 × 340,315.49
  4. Step 4: Simplify right side
    845,750.23x = 431,947,421,193.37
  5. Step 5: Solve for x
    x = 431,947,421,193.37/845,750.23
  6. Step 6: Final answer
    x = 510,726.93

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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.