Home / 695,688.40-1,043,647.80-296,520.40

Finding the Fourth Proportional to 695,688.40, 1,043,647.80 and 296,520.40

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Solution

The fourth proportional to 695,688.40, 1,043,647.80 and 296,520.40 is: 444,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,688.40 : 1,043,647.80 = 296,520.40 : x
  2. Step 2: Convert to fraction form
    695,688.40/1,043,647.80 = 296,520.40/x
  3. Step 3: Cross multiply
    695,688.40x = 1,043,647.80 × 296,520.40
  4. Step 4: Simplify right side
    695,688.40x = 309,462,863,115.12
  5. Step 5: Solve for x
    x = 309,462,863,115.12/695,688.40
  6. Step 6: Final answer
    x = 444,829.70

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1.5x scale

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.