Home / 787,416.55-1,181,312.94-254,938.14

Finding the Fourth Proportional to 787,416.55, 1,181,312.94 and 254,938.14

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Solution

The fourth proportional to 787,416.55, 1,181,312.94 and 254,938.14 is: 382,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,416.55 : 1,181,312.94 = 254,938.14 : x
  2. Step 2: Convert to fraction form
    787,416.55/1,181,312.94 = 254,938.14/x
  3. Step 3: Cross multiply
    787,416.55x = 1,181,312.94 × 254,938.14
  4. Step 4: Simplify right side
    787,416.55x = 301,161,723,681.53
  5. Step 5: Solve for x
    x = 301,161,723,681.53/787,416.55
  6. Step 6: Final answer
    x = 382,468.12

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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.