Home / 708,630.08-1,062,948.96-209,998.40

Finding the Fourth Proportional to 708,630.08, 1,062,948.96 and 209,998.40

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Solution

The fourth proportional to 708,630.08, 1,062,948.96 and 209,998.40 is: 314,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,630.08 : 1,062,948.96 = 209,998.40 : x
  2. Step 2: Convert to fraction form
    708,630.08/1,062,948.96 = 209,998.40/x
  3. Step 3: Cross multiply
    708,630.08x = 1,062,948.96 × 209,998.40
  4. Step 4: Simplify right side
    708,630.08x = 223,217,580,881.66
  5. Step 5: Solve for x
    x = 223,217,580,881.66/708,630.08
  6. Step 6: Final answer
    x = 314,998.74

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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.