Home / 708,631.08-1,062,950.46-209,999.40

Finding the Fourth Proportional to 708,631.08, 1,062,950.46 and 209,999.40

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Solution

The fourth proportional to 708,631.08, 1,062,950.46 and 209,999.40 is: 315,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,631.08 : 1,062,950.46 = 209,999.40 : x
  2. Step 2: Convert to fraction form
    708,631.08/1,062,950.46 = 209,999.40/x
  3. Step 3: Cross multiply
    708,631.08x = 1,062,950.46 × 209,999.40
  4. Step 4: Simplify right side
    708,631.08x = 223,218,958,829.72
  5. Step 5: Solve for x
    x = 223,218,958,829.72/708,631.08
  6. Step 6: Final answer
    x = 315,000.24

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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.