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Finding the Fourth Proportional to 552,002.90, 828,004.35 and 525,758.90

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Solution

The fourth proportional to 552,002.90, 828,004.35 and 525,758.90 is: 788,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,002.90 : 828,004.35 = 525,758.90 : x
  2. Step 2: Convert to fraction form
    552,002.90/828,004.35 = 525,758.90/x
  3. Step 3: Cross multiply
    552,002.90x = 828,004.35 × 525,758.90
  4. Step 4: Simplify right side
    552,002.90x = 435,330,656,251.22
  5. Step 5: Solve for x
    x = 435,330,656,251.22/552,002.90
  6. Step 6: Final answer
    x = 788,638.35

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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.