Home / 852,488.40-1,176,431.64-470,512.56

Finding the Fourth Proportional to 852,488.40, 1,176,431.64 and 470,512.56

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Solution

The fourth proportional to 852,488.40, 1,176,431.64 and 470,512.56 is: 649,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,488.40 : 1,176,431.64 = 470,512.56 : x
  2. Step 2: Convert to fraction form
    852,488.40/1,176,431.64 = 470,512.56/x
  3. Step 3: Cross multiply
    852,488.40x = 1,176,431.64 × 470,512.56
  4. Step 4: Simplify right side
    852,488.40x = 553,525,862,601.40
  5. Step 5: Solve for x
    x = 553,525,862,601.40/852,488.40
  6. Step 6: Final answer
    x = 649,306.03

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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.