Home / 536,068.08-739,774.98-309,713.76

Finding the Fourth Proportional to 536,068.08, 739,774.98 and 309,713.76

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Solution

The fourth proportional to 536,068.08, 739,774.98 and 309,713.76 is: 427,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,068.08 : 739,774.98 = 309,713.76 : x
  2. Step 2: Convert to fraction form
    536,068.08/739,774.98 = 309,713.76/x
  3. Step 3: Cross multiply
    536,068.08x = 739,774.98 × 309,713.76
  4. Step 4: Simplify right side
    536,068.08x = 229,118,490,609.73
  5. Step 5: Solve for x
    x = 229,118,490,609.73/536,068.08
  6. Step 6: Final answer
    x = 427,405.58

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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.