Home / 460,521.20-635,475.84-256,551.32

Finding the Fourth Proportional to 460,521.20, 635,475.84 and 256,551.32

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Solution

The fourth proportional to 460,521.20, 635,475.84 and 256,551.32 is: 354,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,521.20 : 635,475.84 = 256,551.32 : x
  2. Step 2: Convert to fraction form
    460,521.20/635,475.84 = 256,551.32/x
  3. Step 3: Cross multiply
    460,521.20x = 635,475.84 × 256,551.32
  4. Step 4: Simplify right side
    460,521.20x = 163,032,165,580.11
  5. Step 5: Solve for x
    x = 163,032,165,580.11/460,521.20
  6. Step 6: Final answer
    x = 354,016.64

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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.