Home / 888,970.60-1,226,779.38-481,072.45

Finding the Fourth Proportional to 888,970.60, 1,226,779.38 and 481,072.45

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Solution

The fourth proportional to 888,970.60, 1,226,779.38 and 481,072.45 is: 663,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,970.60 : 1,226,779.38 = 481,072.45 : x
  2. Step 2: Convert to fraction form
    888,970.60/1,226,779.38 = 481,072.45/x
  3. Step 3: Cross multiply
    888,970.60x = 1,226,779.38 × 481,072.45
  4. Step 4: Simplify right side
    888,970.60x = 590,169,761,946.08
  5. Step 5: Solve for x
    x = 590,169,761,946.08/888,970.60
  6. Step 6: Final answer
    x = 663,879.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.