Home / 753,576.76-1,039,678.73-466,992.28

Finding the Fourth Proportional to 753,576.76, 1,039,678.73 and 466,992.28

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Solution

The fourth proportional to 753,576.76, 1,039,678.73 and 466,992.28 is: 644,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,576.76 : 1,039,678.73 = 466,992.28 : x
  2. Step 2: Convert to fraction form
    753,576.76/1,039,678.73 = 466,992.28/x
  3. Step 3: Cross multiply
    753,576.76x = 1,039,678.73 × 466,992.28
  4. Step 4: Simplify right side
    753,576.76x = 485,521,937,407.27
  5. Step 5: Solve for x
    x = 485,521,937,407.27/753,576.76
  6. Step 6: Final answer
    x = 644,289.96

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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.