Home / 672,700.05-1,006,989.39-435,570.93

Finding the Fourth Proportional to 672,700.05, 1,006,989.39 and 435,570.93

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Solution

The fourth proportional to 672,700.05, 1,006,989.39 and 435,570.93 is: 652,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,700.05 : 1,006,989.39 = 435,570.93 : x
  2. Step 2: Convert to fraction form
    672,700.05/1,006,989.39 = 435,570.93/x
  3. Step 3: Cross multiply
    672,700.05x = 1,006,989.39 × 435,570.93
  4. Step 4: Simplify right side
    672,700.05x = 438,615,305,102.43
  5. Step 5: Solve for x
    x = 438,615,305,102.43/672,700.05
  6. Step 6: Final answer
    x = 652,022.11

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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.