Home / 672,329.90-1,007,112.45-462,205.10

Finding the Fourth Proportional to 672,329.90, 1,007,112.45 and 462,205.10

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Solution

The fourth proportional to 672,329.90, 1,007,112.45 and 462,205.10 is: 692,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,329.90 : 1,007,112.45 = 462,205.10 : x
  2. Step 2: Convert to fraction form
    672,329.90/1,007,112.45 = 462,205.10/x
  3. Step 3: Cross multiply
    672,329.90x = 1,007,112.45 × 462,205.10
  4. Step 4: Simplify right side
    672,329.90x = 465,492,510,663.50
  5. Step 5: Solve for x
    x = 465,492,510,663.50/672,329.90
  6. Step 6: Final answer
    x = 692,357.29

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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.