Home / 690,880.10-1,036,631.18-374,863.46

Finding the Fourth Proportional to 690,880.10, 1,036,631.18 and 374,863.46

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Solution

The fourth proportional to 690,880.10, 1,036,631.18 and 374,863.46 is: 562,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,880.10 : 1,036,631.18 = 374,863.46 : x
  2. Step 2: Convert to fraction form
    690,880.10/1,036,631.18 = 374,863.46/x
  3. Step 3: Cross multiply
    690,880.10x = 1,036,631.18 × 374,863.46
  4. Step 4: Simplify right side
    690,880.10x = 388,595,146,632.69
  5. Step 5: Solve for x
    x = 388,595,146,632.69/690,880.10
  6. Step 6: Final answer
    x = 562,463.95

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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.