Home / 698,688.10-1,048,032.15-255,628.90

Finding the Fourth Proportional to 698,688.10, 1,048,032.15 and 255,628.90

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Solution

The fourth proportional to 698,688.10, 1,048,032.15 and 255,628.90 is: 383,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688.10 : 1,048,032.15 = 255,628.90 : x
  2. Step 2: Convert to fraction form
    698,688.10/1,048,032.15 = 255,628.90/x
  3. Step 3: Cross multiply
    698,688.10x = 1,048,032.15 × 255,628.90
  4. Step 4: Simplify right side
    698,688.10x = 267,907,305,669.14
  5. Step 5: Solve for x
    x = 267,907,305,669.14/698,688.10
  6. Step 6: Final answer
    x = 383,443.35

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Similar ratio
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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.