Home / 690,878.85-1,036,629.31-374,862.21

Finding the Fourth Proportional to 690,878.85, 1,036,629.31 and 374,862.21

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Solution

The fourth proportional to 690,878.85, 1,036,629.31 and 374,862.21 is: 562,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,878.85 : 1,036,629.31 = 374,862.21 : x
  2. Step 2: Convert to fraction form
    690,878.85/1,036,629.31 = 374,862.21/x
  3. Step 3: Cross multiply
    690,878.85x = 1,036,629.31 × 374,862.21
  4. Step 4: Simplify right side
    690,878.85x = 388,593,154,097.38
  5. Step 5: Solve for x
    x = 388,593,154,097.38/690,878.85
  6. Step 6: Final answer
    x = 562,462.08

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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.