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Finding the Fourth Proportional to 552,002.80, 828,004.20 and 464,085.40

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Solution

The fourth proportional to 552,002.80, 828,004.20 and 464,085.40 is: 696,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,002.80 : 828,004.20 = 464,085.40 : x
  2. Step 2: Convert to fraction form
    552,002.80/828,004.20 = 464,085.40/x
  3. Step 3: Cross multiply
    552,002.80x = 828,004.20 × 464,085.40
  4. Step 4: Simplify right side
    552,002.80x = 384,264,660,358.68
  5. Step 5: Solve for x
    x = 384,264,660,358.68/552,002.80
  6. Step 6: Final answer
    x = 696,128.10

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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.