Home / 755,625.80-1,133,438.70-657,210.80

Finding the Fourth Proportional to 755,625.80, 1,133,438.70 and 657,210.80

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Solution

The fourth proportional to 755,625.80, 1,133,438.70 and 657,210.80 is: 985,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,625.80 : 1,133,438.70 = 657,210.80 : x
  2. Step 2: Convert to fraction form
    755,625.80/1,133,438.70 = 657,210.80/x
  3. Step 3: Cross multiply
    755,625.80x = 1,133,438.70 × 657,210.80
  4. Step 4: Simplify right side
    755,625.80x = 744,908,154,777.96
  5. Step 5: Solve for x
    x = 744,908,154,777.96/755,625.80
  6. Step 6: Final answer
    x = 985,816.20

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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.