Home / 688,074.07-949,544.42-382,150.40

Finding the Fourth Proportional to 688,074.07, 949,544.42 and 382,150.40

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Solution

The fourth proportional to 688,074.07, 949,544.42 and 382,150.40 is: 527,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,074.07 : 949,544.42 = 382,150.40 : x
  2. Step 2: Convert to fraction form
    688,074.07/949,544.42 = 382,150.40/x
  3. Step 3: Cross multiply
    688,074.07x = 949,544.42 × 382,150.40
  4. Step 4: Simplify right side
    688,074.07x = 362,868,775,173.05
  5. Step 5: Solve for x
    x = 362,868,775,173.05/688,074.07
  6. Step 6: Final answer
    x = 527,368.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.