Home / 755,633.80-1,133,450.70-657,218.80

Finding the Fourth Proportional to 755,633.80, 1,133,450.70 and 657,218.80

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Solution

The fourth proportional to 755,633.80, 1,133,450.70 and 657,218.80 is: 985,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,633.80 : 1,133,450.70 = 657,218.80 : x
  2. Step 2: Convert to fraction form
    755,633.80/1,133,450.70 = 657,218.80/x
  3. Step 3: Cross multiply
    755,633.80x = 1,133,450.70 × 657,218.80
  4. Step 4: Simplify right side
    755,633.80x = 744,925,108,913.16
  5. Step 5: Solve for x
    x = 744,925,108,913.16/755,633.80
  6. Step 6: Final answer
    x = 985,828.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.