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Finding the Fourth Proportional to 634,570.80, 952,201.80 and 260,631.60

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Solution

The fourth proportional to 634,570.80, 952,201.80 and 260,631.60 is: 391,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,570.80 : 952,201.80 = 260,631.60 : x
  2. Step 2: Convert to fraction form
    634,570.80/952,201.80 = 260,631.60/x
  3. Step 3: Cross multiply
    634,570.80x = 952,201.80 × 260,631.60
  4. Step 4: Simplify right side
    634,570.80x = 248,173,878,656.88
  5. Step 5: Solve for x
    x = 248,173,878,656.88/634,570.80
  6. Step 6: Final answer
    x = 391,089.35

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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.