Home / 672,098.40-1,008,147.60-555,458.40

Finding the Fourth Proportional to 672,098.40, 1,008,147.60 and 555,458.40

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Solution

The fourth proportional to 672,098.40, 1,008,147.60 and 555,458.40 is: 833,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,098.40 : 1,008,147.60 = 555,458.40 : x
  2. Step 2: Convert to fraction form
    672,098.40/1,008,147.60 = 555,458.40/x
  3. Step 3: Cross multiply
    672,098.40x = 1,008,147.60 × 555,458.40
  4. Step 4: Simplify right side
    672,098.40x = 559,984,052,859.84
  5. Step 5: Solve for x
    x = 559,984,052,859.84/672,098.40
  6. Step 6: Final answer
    x = 833,187.60

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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.