Home / 818,466.36-1,227,771.54-249,975.78

Finding the Fourth Proportional to 818,466.36, 1,227,771.54 and 249,975.78

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Solution

The fourth proportional to 818,466.36, 1,227,771.54 and 249,975.78 is: 374,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,466.36 : 1,227,771.54 = 249,975.78 : x
  2. Step 2: Convert to fraction form
    818,466.36/1,227,771.54 = 249,975.78/x
  3. Step 3: Cross multiply
    818,466.36x = 1,227,771.54 × 249,975.78
  4. Step 4: Simplify right side
    818,466.36x = 306,913,148,373.30
  5. Step 5: Solve for x
    x = 306,913,148,373.30/818,466.36
  6. Step 6: Final answer
    x = 374,985.66

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Double scale
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1.5x scale

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.