Home / 845,352.12-1,166,615.82-463,378.80

Finding the Fourth Proportional to 845,352.12, 1,166,615.82 and 463,378.80

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Solution

The fourth proportional to 845,352.12, 1,166,615.82 and 463,378.80 is: 639,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,352.12 : 1,166,615.82 = 463,378.80 : x
  2. Step 2: Convert to fraction form
    845,352.12/1,166,615.82 = 463,378.80/x
  3. Step 3: Cross multiply
    845,352.12x = 1,166,615.82 × 463,378.80
  4. Step 4: Simplify right side
    845,352.12x = 540,585,038,732.62
  5. Step 5: Solve for x
    x = 540,585,038,732.62/845,352.12
  6. Step 6: Final answer
    x = 639,479.13

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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.