Home / 958,638.80-1,323,038.70-550,739.88

Finding the Fourth Proportional to 958,638.80, 1,323,038.70 and 550,739.88

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Solution

The fourth proportional to 958,638.80, 1,323,038.70 and 550,739.88 is: 760,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,638.80 : 1,323,038.70 = 550,739.88 : x
  2. Step 2: Convert to fraction form
    958,638.80/1,323,038.70 = 550,739.88/x
  3. Step 3: Cross multiply
    958,638.80x = 1,323,038.70 × 550,739.88
  4. Step 4: Simplify right side
    958,638.80x = 728,650,174,873.36
  5. Step 5: Solve for x
    x = 728,650,174,873.36/958,638.80
  6. Step 6: Final answer
    x = 760,088.34

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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.