Home / 875,659.08-1,311,587.82-537,673.80

Finding the Fourth Proportional to 875,659.08, 1,311,587.82 and 537,673.80

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Solution

The fourth proportional to 875,659.08, 1,311,587.82 and 537,673.80 is: 805,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,659.08 : 1,311,587.82 = 537,673.80 : x
  2. Step 2: Convert to fraction form
    875,659.08/1,311,587.82 = 537,673.80/x
  3. Step 3: Cross multiply
    875,659.08x = 1,311,587.82 × 537,673.80
  4. Step 4: Simplify right side
    875,659.08x = 705,206,407,213.12
  5. Step 5: Solve for x
    x = 705,206,407,213.12/875,659.08
  6. Step 6: Final answer
    x = 805,343.57

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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.