Home / 908,435.70-1,362,653.55-402,801.30

Finding the Fourth Proportional to 908,435.70, 1,362,653.55 and 402,801.30

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Solution

The fourth proportional to 908,435.70, 1,362,653.55 and 402,801.30 is: 604,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,435.70 : 1,362,653.55 = 402,801.30 : x
  2. Step 2: Convert to fraction form
    908,435.70/1,362,653.55 = 402,801.30/x
  3. Step 3: Cross multiply
    908,435.70x = 1,362,653.55 × 402,801.30
  4. Step 4: Simplify right side
    908,435.70x = 548,878,621,389.62
  5. Step 5: Solve for x
    x = 548,878,621,389.62/908,435.70
  6. Step 6: Final answer
    x = 604,201.95

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Double scale
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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.