Home / 852,811.14-1,176,876.10-470,835.12

Finding the Fourth Proportional to 852,811.14, 1,176,876.10 and 470,835.12

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Solution

The fourth proportional to 852,811.14, 1,176,876.10 and 470,835.12 is: 649,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,811.14 : 1,176,876.10 = 470,835.12 : x
  2. Step 2: Convert to fraction form
    852,811.14/1,176,876.10 = 470,835.12/x
  3. Step 3: Cross multiply
    852,811.14x = 1,176,876.10 × 470,835.12
  4. Step 4: Simplify right side
    852,811.14x = 554,114,599,768.63
  5. Step 5: Solve for x
    x = 554,114,599,768.63/852,811.14
  6. Step 6: Final answer
    x = 649,750.66

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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.