Home / 549,947.30-823,936.80-471,215.30

Finding the Fourth Proportional to 549,947.30, 823,936.80 and 471,215.30

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Solution

The fourth proportional to 549,947.30, 823,936.80 and 471,215.30 is: 705,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,947.30 : 823,936.80 = 471,215.30 : x
  2. Step 2: Convert to fraction form
    549,947.30/823,936.80 = 471,215.30/x
  3. Step 3: Cross multiply
    549,947.30x = 823,936.80 × 471,215.30
  4. Step 4: Simplify right side
    549,947.30x = 388,251,626,393.04
  5. Step 5: Solve for x
    x = 388,251,626,393.04/549,947.30
  6. Step 6: Final answer
    x = 705,979.69

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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.