Home / 788,570.40-1,182,878.64-308,778.24

Finding the Fourth Proportional to 788,570.40, 1,182,878.64 and 308,778.24

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Solution

The fourth proportional to 788,570.40, 1,182,878.64 and 308,778.24 is: 463,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,570.40 : 1,182,878.64 = 308,778.24 : x
  2. Step 2: Convert to fraction form
    788,570.40/1,182,878.64 = 308,778.24/x
  3. Step 3: Cross multiply
    788,570.40x = 1,182,878.64 × 308,778.24
  4. Step 4: Simplify right side
    788,570.40x = 365,247,184,592.79
  5. Step 5: Solve for x
    x = 365,247,184,592.79/788,570.40
  6. Step 6: Final answer
    x = 463,176.38

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Similar ratio
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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.