Home / 529,631.40-793,928.70-213,666.60

Finding the Fourth Proportional to 529,631.40, 793,928.70 and 213,666.60

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Solution

The fourth proportional to 529,631.40, 793,928.70 and 213,666.60 is: 320,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,631.40 : 793,928.70 = 213,666.60 : x
  2. Step 2: Convert to fraction form
    529,631.40/793,928.70 = 213,666.60/x
  3. Step 3: Cross multiply
    529,631.40x = 793,928.70 × 213,666.60
  4. Step 4: Simplify right side
    529,631.40x = 169,636,045,971.42
  5. Step 5: Solve for x
    x = 169,636,045,971.42/529,631.40
  6. Step 6: Final answer
    x = 320,290.76

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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.