Home / 552,841.12-828,255.64-384,004.72

Finding the Fourth Proportional to 552,841.12, 828,255.64 and 384,004.72

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Solution

The fourth proportional to 552,841.12, 828,255.64 and 384,004.72 is: 575,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,841.12 : 828,255.64 = 384,004.72 : x
  2. Step 2: Convert to fraction form
    552,841.12/828,255.64 = 384,004.72/x
  3. Step 3: Cross multiply
    552,841.12x = 828,255.64 × 384,004.72
  4. Step 4: Simplify right side
    552,841.12x = 318,054,075,126.62
  5. Step 5: Solve for x
    x = 318,054,075,126.62/552,841.12
  6. Step 6: Final answer
    x = 575,308.28

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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.