Home / 505,962.40-758,506.20-306,070.60

Finding the Fourth Proportional to 505,962.40, 758,506.20 and 306,070.60

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Solution

The fourth proportional to 505,962.40, 758,506.20 and 306,070.60 is: 458,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,962.40 : 758,506.20 = 306,070.60 : x
  2. Step 2: Convert to fraction form
    505,962.40/758,506.20 = 306,070.60/x
  3. Step 3: Cross multiply
    505,962.40x = 758,506.20 × 306,070.60
  4. Step 4: Simplify right side
    505,962.40x = 232,156,447,737.72
  5. Step 5: Solve for x
    x = 232,156,447,737.72/505,962.40
  6. Step 6: Final answer
    x = 458,841.30

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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.