Home / 645,730.08-968,593.50-307,746.24

Finding the Fourth Proportional to 645,730.08, 968,593.50 and 307,746.24

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Solution

The fourth proportional to 645,730.08, 968,593.50 and 307,746.24 is: 461,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,730.08 : 968,593.50 = 307,746.24 : x
  2. Step 2: Convert to fraction form
    645,730.08/968,593.50 = 307,746.24/x
  3. Step 3: Cross multiply
    645,730.08x = 968,593.50 × 307,746.24
  4. Step 4: Simplify right side
    645,730.08x = 298,081,007,713.44
  5. Step 5: Solve for x
    x = 298,081,007,713.44/645,730.08
  6. Step 6: Final answer
    x = 461,618.59

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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.