Home / 788,400.10-1,181,239.35-366,811.30

Finding the Fourth Proportional to 788,400.10, 1,181,239.35 and 366,811.30

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Solution

The fourth proportional to 788,400.10, 1,181,239.35 and 366,811.30 is: 549,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,400.10 : 1,181,239.35 = 366,811.30 : x
  2. Step 2: Convert to fraction form
    788,400.10/1,181,239.35 = 366,811.30/x
  3. Step 3: Cross multiply
    788,400.10x = 1,181,239.35 × 366,811.30
  4. Step 4: Simplify right side
    788,400.10x = 433,291,941,584.66
  5. Step 5: Solve for x
    x = 433,291,941,584.66/788,400.10
  6. Step 6: Final answer
    x = 549,583.82

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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.