Home / 648,736.36-887,475.94-646,003.94

Finding the Fourth Proportional to 648,736.36, 887,475.94 and 646,003.94

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Solution

The fourth proportional to 648,736.36, 887,475.94 and 646,003.94 is: 883,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,736.36 : 887,475.94 = 646,003.94 : x
  2. Step 2: Convert to fraction form
    648,736.36/887,475.94 = 646,003.94/x
  3. Step 3: Cross multiply
    648,736.36x = 887,475.94 × 646,003.94
  4. Step 4: Simplify right side
    648,736.36x = 573,312,953,895.20
  5. Step 5: Solve for x
    x = 573,312,953,895.20/648,736.36
  6. Step 6: Final answer
    x = 883,737.97

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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.