Home / 712,930.60-1,069,298.70-214,294.60

Finding the Fourth Proportional to 712,930.60, 1,069,298.70 and 214,294.60

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Solution

The fourth proportional to 712,930.60, 1,069,298.70 and 214,294.60 is: 321,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,930.60 : 1,069,298.70 = 214,294.60 : x
  2. Step 2: Convert to fraction form
    712,930.60/1,069,298.70 = 214,294.60/x
  3. Step 3: Cross multiply
    712,930.60x = 1,069,298.70 × 214,294.60
  4. Step 4: Simplify right side
    712,930.60x = 229,144,937,197.02
  5. Step 5: Solve for x
    x = 229,144,937,197.02/712,930.60
  6. Step 6: Final answer
    x = 321,412.68

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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.