Home / 648,739.86-887,480.73-646,007.44

Finding the Fourth Proportional to 648,739.86, 887,480.73 and 646,007.44

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Solution

The fourth proportional to 648,739.86, 887,480.73 and 646,007.44 is: 883,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,739.86 : 887,480.73 = 646,007.44 : x
  2. Step 2: Convert to fraction form
    648,739.86/887,480.73 = 646,007.44/x
  3. Step 3: Cross multiply
    648,739.86x = 887,480.73 × 646,007.44
  4. Step 4: Simplify right side
    648,739.86x = 573,319,154,436.63
  5. Step 5: Solve for x
    x = 573,319,154,436.63/648,739.86
  6. Step 6: Final answer
    x = 883,742.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.