Home / 782,294.81-1,173,430.58-213,674.96

Finding the Fourth Proportional to 782,294.81, 1,173,430.58 and 213,674.96

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Solution

The fourth proportional to 782,294.81, 1,173,430.58 and 213,674.96 is: 320,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,294.81 : 1,173,430.58 = 213,674.96 : x
  2. Step 2: Convert to fraction form
    782,294.81/1,173,430.58 = 213,674.96/x
  3. Step 3: Cross multiply
    782,294.81x = 1,173,430.58 × 213,674.96
  4. Step 4: Simplify right side
    782,294.81x = 250,732,725,308.75
  5. Step 5: Solve for x
    x = 250,732,725,308.75/782,294.81
  6. Step 6: Final answer
    x = 320,509.26

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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.