Home / 852,345.81-1,176,265.46-465,182.42

Finding the Fourth Proportional to 852,345.81, 1,176,265.46 and 465,182.42

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Solution

The fourth proportional to 852,345.81, 1,176,265.46 and 465,182.42 is: 641,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,345.81 : 1,176,265.46 = 465,182.42 : x
  2. Step 2: Convert to fraction form
    852,345.81/1,176,265.46 = 465,182.42/x
  3. Step 3: Cross multiply
    852,345.81x = 1,176,265.46 × 465,182.42
  4. Step 4: Simplify right side
    852,345.81x = 547,178,008,526.84
  5. Step 5: Solve for x
    x = 547,178,008,526.84/852,345.81
  6. Step 6: Final answer
    x = 641,967.15

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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.