Home / 921,502.44-1,271,679.62-513,630.52

Finding the Fourth Proportional to 921,502.44, 1,271,679.62 and 513,630.52

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Solution

The fourth proportional to 921,502.44, 1,271,679.62 and 513,630.52 is: 708,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,502.44 : 1,271,679.62 = 513,630.52 : x
  2. Step 2: Convert to fraction form
    921,502.44/1,271,679.62 = 513,630.52/x
  3. Step 3: Cross multiply
    921,502.44x = 1,271,679.62 × 513,630.52
  4. Step 4: Simplify right side
    921,502.44x = 653,173,458,746.65
  5. Step 5: Solve for x
    x = 653,173,458,746.65/921,502.44
  6. Step 6: Final answer
    x = 708,813.60

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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.