Home / 672,025.90-1,008,038.85-555,385.90

Finding the Fourth Proportional to 672,025.90, 1,008,038.85 and 555,385.90

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Solution

The fourth proportional to 672,025.90, 1,008,038.85 and 555,385.90 is: 833,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,025.90 : 1,008,038.85 = 555,385.90 : x
  2. Step 2: Convert to fraction form
    672,025.90/1,008,038.85 = 555,385.90/x
  3. Step 3: Cross multiply
    672,025.90x = 1,008,038.85 × 555,385.90
  4. Step 4: Simplify right side
    672,025.90x = 559,850,563,942.22
  5. Step 5: Solve for x
    x = 559,850,563,942.22/672,025.90
  6. Step 6: Final answer
    x = 833,078.85

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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.