Home / 810,002.16-1,215,003.24-632,242.80

Finding the Fourth Proportional to 810,002.16, 1,215,003.24 and 632,242.80

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Solution

The fourth proportional to 810,002.16, 1,215,003.24 and 632,242.80 is: 948,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,002.16 : 1,215,003.24 = 632,242.80 : x
  2. Step 2: Convert to fraction form
    810,002.16/1,215,003.24 = 632,242.80/x
  3. Step 3: Cross multiply
    810,002.16x = 1,215,003.24 × 632,242.80
  4. Step 4: Simplify right side
    810,002.16x = 768,177,050,466.67
  5. Step 5: Solve for x
    x = 768,177,050,466.67/810,002.16
  6. Step 6: Final answer
    x = 948,364.20

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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.