Home / 536,280.56-740,072.51-291,270.10

Finding the Fourth Proportional to 536,280.56, 740,072.51 and 291,270.10

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Solution

The fourth proportional to 536,280.56, 740,072.51 and 291,270.10 is: 401,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,280.56 : 740,072.51 = 291,270.10 : x
  2. Step 2: Convert to fraction form
    536,280.56/740,072.51 = 291,270.10/x
  3. Step 3: Cross multiply
    536,280.56x = 740,072.51 × 291,270.10
  4. Step 4: Simplify right side
    536,280.56x = 215,560,993,994.95
  5. Step 5: Solve for x
    x = 215,560,993,994.95/536,280.56
  6. Step 6: Final answer
    x = 401,955.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.