Home / 688,025.70-949,506.93-382,103.46

Finding the Fourth Proportional to 688,025.70, 949,506.93 and 382,103.46

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Solution

The fourth proportional to 688,025.70, 949,506.93 and 382,103.46 is: 527,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,025.70 : 949,506.93 = 382,103.46 : x
  2. Step 2: Convert to fraction form
    688,025.70/949,506.93 = 382,103.46/x
  3. Step 3: Cross multiply
    688,025.70x = 949,506.93 × 382,103.46
  4. Step 4: Simplify right side
    688,025.70x = 362,809,883,246.98
  5. Step 5: Solve for x
    x = 362,809,883,246.98/688,025.70
  6. Step 6: Final answer
    x = 527,320.25

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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.