Home / 852,143.29-1,175,956.86-470,170.05

Finding the Fourth Proportional to 852,143.29, 1,175,956.86 and 470,170.05

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Solution

The fourth proportional to 852,143.29, 1,175,956.86 and 470,170.05 is: 648,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,143.29 : 1,175,956.86 = 470,170.05 : x
  2. Step 2: Convert to fraction form
    852,143.29/1,175,956.86 = 470,170.05/x
  3. Step 3: Cross multiply
    852,143.29x = 1,175,956.86 × 470,170.05
  4. Step 4: Simplify right side
    852,143.29x = 552,899,695,664.04
  5. Step 5: Solve for x
    x = 552,899,695,664.04/852,143.29
  6. Step 6: Final answer
    x = 648,834.18

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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.