Home / 852,394.78-1,176,270.42-470,416.60

Finding the Fourth Proportional to 852,394.78, 1,176,270.42 and 470,416.60

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Solution

The fourth proportional to 852,394.78, 1,176,270.42 and 470,416.60 is: 649,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,394.78 : 1,176,270.42 = 470,416.60 : x
  2. Step 2: Convert to fraction form
    852,394.78/1,176,270.42 = 470,416.60/x
  3. Step 3: Cross multiply
    852,394.78x = 1,176,270.42 × 470,416.60
  4. Step 4: Simplify right side
    852,394.78x = 553,337,131,656.97
  5. Step 5: Solve for x
    x = 553,337,131,656.97/852,394.78
  6. Step 6: Final answer
    x = 649,155.94

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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.