Home / 740,589.28-1,110,925.38-208,068.75

Finding the Fourth Proportional to 740,589.28, 1,110,925.38 and 208,068.75

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Solution

The fourth proportional to 740,589.28, 1,110,925.38 and 208,068.75 is: 312,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,589.28 : 1,110,925.38 = 208,068.75 : x
  2. Step 2: Convert to fraction form
    740,589.28/1,110,925.38 = 208,068.75/x
  3. Step 3: Cross multiply
    740,589.28x = 1,110,925.38 × 208,068.75
  4. Step 4: Simplify right side
    740,589.28x = 231,148,854,769.75
  5. Step 5: Solve for x
    x = 231,148,854,769.75/740,589.28
  6. Step 6: Final answer
    x = 312,114.77

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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.