Home / 689,555.16-1,034,130.66-268,730.52

Finding the Fourth Proportional to 689,555.16, 1,034,130.66 and 268,730.52

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Solution

The fourth proportional to 689,555.16, 1,034,130.66 and 268,730.52 is: 403,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,555.16 : 1,034,130.66 = 268,730.52 : x
  2. Step 2: Convert to fraction form
    689,555.16/1,034,130.66 = 268,730.52/x
  3. Step 3: Cross multiply
    689,555.16x = 1,034,130.66 × 268,730.52
  4. Step 4: Simplify right side
    689,555.16x = 277,902,470,009.74
  5. Step 5: Solve for x
    x = 277,902,470,009.74/689,555.16
  6. Step 6: Final answer
    x = 403,017.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.