Home / 685,095.30-1,027,642.95-179,655.30

Finding the Fourth Proportional to 685,095.30, 1,027,642.95 and 179,655.30

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Solution

The fourth proportional to 685,095.30, 1,027,642.95 and 179,655.30 is: 269,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,095.30 : 1,027,642.95 = 179,655.30 : x
  2. Step 2: Convert to fraction form
    685,095.30/1,027,642.95 = 179,655.30/x
  3. Step 3: Cross multiply
    685,095.30x = 1,027,642.95 × 179,655.30
  4. Step 4: Simplify right side
    685,095.30x = 184,621,502,475.14
  5. Step 5: Solve for x
    x = 184,621,502,475.14/685,095.30
  6. Step 6: Final answer
    x = 269,482.95

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Double scale
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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.