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Finding the Fourth Proportional to 612,010.20, 916,265.70 and 549,024.60

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Solution

The fourth proportional to 612,010.20, 916,265.70 and 549,024.60 is: 821,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,010.20 : 916,265.70 = 549,024.60 : x
  2. Step 2: Convert to fraction form
    612,010.20/916,265.70 = 549,024.60/x
  3. Step 3: Cross multiply
    612,010.20x = 916,265.70 × 549,024.60
  4. Step 4: Simplify right side
    612,010.20x = 503,052,409,436.22
  5. Step 5: Solve for x
    x = 503,052,409,436.22/612,010.20
  6. Step 6: Final answer
    x = 821,967.36

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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.