Home / 975,596.42-1,462,890.43-428,264.84

Finding the Fourth Proportional to 975,596.42, 1,462,890.43 and 428,264.84

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Solution

The fourth proportional to 975,596.42, 1,462,890.43 and 428,264.84 is: 642,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,596.42 : 1,462,890.43 = 428,264.84 : x
  2. Step 2: Convert to fraction form
    975,596.42/1,462,890.43 = 428,264.84/x
  3. Step 3: Cross multiply
    975,596.42x = 1,462,890.43 × 428,264.84
  4. Step 4: Simplify right side
    975,596.42x = 626,504,529,496.29
  5. Step 5: Solve for x
    x = 626,504,529,496.29/975,596.42
  6. Step 6: Final answer
    x = 642,175.92

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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.