Home / 692,242.60-1,036,290.30-411,615.40

Finding the Fourth Proportional to 692,242.60, 1,036,290.30 and 411,615.40

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Solution

The fourth proportional to 692,242.60, 1,036,290.30 and 411,615.40 is: 616,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,242.60 : 1,036,290.30 = 411,615.40 : x
  2. Step 2: Convert to fraction form
    692,242.60/1,036,290.30 = 411,615.40/x
  3. Step 3: Cross multiply
    692,242.60x = 1,036,290.30 × 411,615.40
  4. Step 4: Simplify right side
    692,242.60x = 426,553,046,350.62
  5. Step 5: Solve for x
    x = 426,553,046,350.62/692,242.60
  6. Step 6: Final answer
    x = 616,190.11

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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.