Home / 756,117.80-1,133,010.30-655,807.40

Finding the Fourth Proportional to 756,117.80, 1,133,010.30 and 655,807.40

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Solution

The fourth proportional to 756,117.80, 1,133,010.30 and 655,807.40 is: 982,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,117.80 : 1,133,010.30 = 655,807.40 : x
  2. Step 2: Convert to fraction form
    756,117.80/1,133,010.30 = 655,807.40/x
  3. Step 3: Cross multiply
    756,117.80x = 1,133,010.30 × 655,807.40
  4. Step 4: Simplify right side
    756,117.80x = 743,036,539,016.22
  5. Step 5: Solve for x
    x = 743,036,539,016.22/756,117.80
  6. Step 6: Final answer
    x = 982,699.44

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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.