Home / 734,875.05-1,101,883.55-285,070.32

Finding the Fourth Proportional to 734,875.05, 1,101,883.55 and 285,070.32

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Solution

The fourth proportional to 734,875.05, 1,101,883.55 and 285,070.32 is: 427,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,875.05 : 1,101,883.55 = 285,070.32 : x
  2. Step 2: Convert to fraction form
    734,875.05/1,101,883.55 = 285,070.32/x
  3. Step 3: Cross multiply
    734,875.05x = 1,101,883.55 × 285,070.32
  4. Step 4: Simplify right side
    734,875.05x = 314,114,294,775.88
  5. Step 5: Solve for x
    x = 314,114,294,775.88/734,875.05
  6. Step 6: Final answer
    x = 427,439.05

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Double scale
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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.