Home / 875,117.15-1,312,675.73-210,269.15

Finding the Fourth Proportional to 875,117.15, 1,312,675.73 and 210,269.15

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Solution

The fourth proportional to 875,117.15, 1,312,675.73 and 210,269.15 is: 315,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,117.15 : 1,312,675.73 = 210,269.15 : x
  2. Step 2: Convert to fraction form
    875,117.15/1,312,675.73 = 210,269.15/x
  3. Step 3: Cross multiply
    875,117.15x = 1,312,675.73 × 210,269.15
  4. Step 4: Simplify right side
    875,117.15x = 276,015,208,921.38
  5. Step 5: Solve for x
    x = 276,015,208,921.38/875,117.15
  6. Step 6: Final answer
    x = 315,403.73

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Similar ratio
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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.