Home / 900,002.08-1,242,247.83-513,021.23

Finding the Fourth Proportional to 900,002.08, 1,242,247.83 and 513,021.23

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Solution

The fourth proportional to 900,002.08, 1,242,247.83 and 513,021.23 is: 708,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,002.08 : 1,242,247.83 = 513,021.23 : x
  2. Step 2: Convert to fraction form
    900,002.08/1,242,247.83 = 513,021.23/x
  3. Step 3: Cross multiply
    900,002.08x = 1,242,247.83 × 513,021.23
  4. Step 4: Simplify right side
    900,002.08x = 637,299,512,817.05
  5. Step 5: Solve for x
    x = 637,299,512,817.05/900,002.08
  6. Step 6: Final answer
    x = 708,108.94

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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.