Home / 648,738.86-887,479.36-646,006.44

Finding the Fourth Proportional to 648,738.86, 887,479.36 and 646,006.44

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Solution

The fourth proportional to 648,738.86, 887,479.36 and 646,006.44 is: 883,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,738.86 : 887,479.36 = 646,006.44 : x
  2. Step 2: Convert to fraction form
    648,738.86/887,479.36 = 646,006.44/x
  3. Step 3: Cross multiply
    648,738.86x = 887,479.36 × 646,006.44
  4. Step 4: Simplify right side
    648,738.86x = 573,317,381,927.08
  5. Step 5: Solve for x
    x = 573,317,381,927.08/648,738.86
  6. Step 6: Final answer
    x = 883,741.39

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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.