Home / 852,465.45-1,176,399.91-470,489.50

Finding the Fourth Proportional to 852,465.45, 1,176,399.91 and 470,489.50

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Solution

The fourth proportional to 852,465.45, 1,176,399.91 and 470,489.50 is: 649,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,465.45 : 1,176,399.91 = 470,489.50 : x
  2. Step 2: Convert to fraction form
    852,465.45/1,176,399.91 = 470,489.50/x
  3. Step 3: Cross multiply
    852,465.45x = 1,176,399.91 × 470,489.50
  4. Step 4: Simplify right side
    852,465.45x = 553,483,805,455.95
  5. Step 5: Solve for x
    x = 553,483,805,455.95/852,465.45
  6. Step 6: Final answer
    x = 649,274.18

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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.