Home / 696,711.25-1,045,242.51-198,075.25

Finding the Fourth Proportional to 696,711.25, 1,045,242.51 and 198,075.25

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Solution

The fourth proportional to 696,711.25, 1,045,242.51 and 198,075.25 is: 297,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,711.25 : 1,045,242.51 = 198,075.25 : x
  2. Step 2: Convert to fraction form
    696,711.25/1,045,242.51 = 198,075.25/x
  3. Step 3: Cross multiply
    696,711.25x = 1,045,242.51 × 198,075.25
  4. Step 4: Simplify right side
    696,711.25x = 207,036,671,478.88
  5. Step 5: Solve for x
    x = 207,036,671,478.88/696,711.25
  6. Step 6: Final answer
    x = 297,162.81

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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.