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Finding the Fourth Proportional to 788,497.60, 1,181,385.60 and 366,908.80

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Solution

The fourth proportional to 788,497.60, 1,181,385.60 and 366,908.80 is: 549,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,497.60 : 1,181,385.60 = 366,908.80 : x
  2. Step 2: Convert to fraction form
    788,497.60/1,181,385.60 = 366,908.80/x
  3. Step 3: Cross multiply
    788,497.60x = 1,181,385.60 × 366,908.80
  4. Step 4: Simplify right side
    788,497.60x = 433,460,772,833.28
  5. Step 5: Solve for x
    x = 433,460,772,833.28/788,497.60
  6. Step 6: Final answer
    x = 549,729.98

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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.