Home / 734,724.23-1,013,827.57-407,992.82

Finding the Fourth Proportional to 734,724.23, 1,013,827.57 and 407,992.82

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Solution

The fourth proportional to 734,724.23, 1,013,827.57 and 407,992.82 is: 562,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,724.23 : 1,013,827.57 = 407,992.82 : x
  2. Step 2: Convert to fraction form
    734,724.23/1,013,827.57 = 407,992.82/x
  3. Step 3: Cross multiply
    734,724.23x = 1,013,827.57 × 407,992.82
  4. Step 4: Simplify right side
    734,724.23x = 413,634,363,188.93
  5. Step 5: Solve for x
    x = 413,634,363,188.93/734,724.23
  6. Step 6: Final answer
    x = 562,979.07

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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.