Home / 968,700.08-1,336,812.68-538,998.32

Finding the Fourth Proportional to 968,700.08, 1,336,812.68 and 538,998.32

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Solution

The fourth proportional to 968,700.08, 1,336,812.68 and 538,998.32 is: 743,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,700.08 : 1,336,812.68 = 538,998.32 : x
  2. Step 2: Convert to fraction form
    968,700.08/1,336,812.68 = 538,998.32/x
  3. Step 3: Cross multiply
    968,700.08x = 1,336,812.68 × 538,998.32
  4. Step 4: Simplify right side
    968,700.08x = 720,539,788,674.70
  5. Step 5: Solve for x
    x = 720,539,788,674.70/968,700.08
  6. Step 6: Final answer
    x = 743,821.34

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Double scale
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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.