Home / 894,485.03-1,234,367.07-512,487.20

Finding the Fourth Proportional to 894,485.03, 1,234,367.07 and 512,487.20

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Solution

The fourth proportional to 894,485.03, 1,234,367.07 and 512,487.20 is: 707,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,485.03 : 1,234,367.07 = 512,487.20 : x
  2. Step 2: Convert to fraction form
    894,485.03/1,234,367.07 = 512,487.20/x
  3. Step 3: Cross multiply
    894,485.03x = 1,234,367.07 × 512,487.20
  4. Step 4: Simplify right side
    894,485.03x = 632,597,317,304.67
  5. Step 5: Solve for x
    x = 632,597,317,304.67/894,485.03
  6. Step 6: Final answer
    x = 707,219.57

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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.