Home / 672,442.10-1,009,829.55-651,446.90

Finding the Fourth Proportional to 672,442.10, 1,009,829.55 and 651,446.90

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Solution

The fourth proportional to 672,442.10, 1,009,829.55 and 651,446.90 is: 978,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,442.10 : 1,009,829.55 = 651,446.90 : x
  2. Step 2: Convert to fraction form
    672,442.10/1,009,829.55 = 651,446.90/x
  3. Step 3: Cross multiply
    672,442.10x = 1,009,829.55 × 651,446.90
  4. Step 4: Simplify right side
    672,442.10x = 657,850,329,875.90
  5. Step 5: Solve for x
    x = 657,850,329,875.90/672,442.10
  6. Step 6: Final answer
    x = 978,300.33

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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.