Home / 904,676.70-1,353,623.28-538,599.30

Finding the Fourth Proportional to 904,676.70, 1,353,623.28 and 538,599.30

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Solution

The fourth proportional to 904,676.70, 1,353,623.28 and 538,599.30 is: 805,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,676.70 : 1,353,623.28 = 538,599.30 : x
  2. Step 2: Convert to fraction form
    904,676.70/1,353,623.28 = 538,599.30/x
  3. Step 3: Cross multiply
    904,676.70x = 1,353,623.28 × 538,599.30
  4. Step 4: Simplify right side
    904,676.70x = 729,060,551,071.70
  5. Step 5: Solve for x
    x = 729,060,551,071.70/904,676.70
  6. Step 6: Final answer
    x = 805,879.66

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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.