Home / 849,212.10-1,273,818.15-288,246.60

Finding the Fourth Proportional to 849,212.10, 1,273,818.15 and 288,246.60

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Solution

The fourth proportional to 849,212.10, 1,273,818.15 and 288,246.60 is: 432,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,212.10 : 1,273,818.15 = 288,246.60 : x
  2. Step 2: Convert to fraction form
    849,212.10/1,273,818.15 = 288,246.60/x
  3. Step 3: Cross multiply
    849,212.10x = 1,273,818.15 × 288,246.60
  4. Step 4: Simplify right side
    849,212.10x = 367,173,750,755.79
  5. Step 5: Solve for x
    x = 367,173,750,755.79/849,212.10
  6. Step 6: Final answer
    x = 432,369.90

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Similar ratio
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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.