Home / 672,055.90-1,008,083.85-434,110.30

Finding the Fourth Proportional to 672,055.90, 1,008,083.85 and 434,110.30

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Solution

The fourth proportional to 672,055.90, 1,008,083.85 and 434,110.30 is: 651,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,055.90 : 1,008,083.85 = 434,110.30 : x
  2. Step 2: Convert to fraction form
    672,055.90/1,008,083.85 = 434,110.30/x
  3. Step 3: Cross multiply
    672,055.90x = 1,008,083.85 × 434,110.30
  4. Step 4: Simplify right side
    672,055.90x = 437,619,582,548.66
  5. Step 5: Solve for x
    x = 437,619,582,548.66/672,055.90
  6. Step 6: Final answer
    x = 651,165.45

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Double scale
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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.