Home / 875,177.60-1,312,766.40-210,329.60

Finding the Fourth Proportional to 875,177.60, 1,312,766.40 and 210,329.60

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Solution

The fourth proportional to 875,177.60, 1,312,766.40 and 210,329.60 is: 315,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,177.60 : 1,312,766.40 = 210,329.60 : x
  2. Step 2: Convert to fraction form
    875,177.60/1,312,766.40 = 210,329.60/x
  3. Step 3: Cross multiply
    875,177.60x = 1,312,766.40 × 210,329.60
  4. Step 4: Simplify right side
    875,177.60x = 276,113,631,805.44
  5. Step 5: Solve for x
    x = 276,113,631,805.44/875,177.60
  6. Step 6: Final answer
    x = 315,494.40

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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.