Home / 673,603.90-1,010,405.85-628,989.10

Finding the Fourth Proportional to 673,603.90, 1,010,405.85 and 628,989.10

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Solution

The fourth proportional to 673,603.90, 1,010,405.85 and 628,989.10 is: 943,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,603.90 : 1,010,405.85 = 628,989.10 : x
  2. Step 2: Convert to fraction form
    673,603.90/1,010,405.85 = 628,989.10/x
  3. Step 3: Cross multiply
    673,603.90x = 1,010,405.85 × 628,989.10
  4. Step 4: Simplify right side
    673,603.90x = 635,534,266,226.24
  5. Step 5: Solve for x
    x = 635,534,266,226.24/673,603.90
  6. Step 6: Final answer
    x = 943,483.65

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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.