Home / 899,359.22-1,241,062.76-491,379.84

Finding the Fourth Proportional to 899,359.22, 1,241,062.76 and 491,379.84

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Solution

The fourth proportional to 899,359.22, 1,241,062.76 and 491,379.84 is: 678,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,359.22 : 1,241,062.76 = 491,379.84 : x
  2. Step 2: Convert to fraction form
    899,359.22/1,241,062.76 = 491,379.84/x
  3. Step 3: Cross multiply
    899,359.22x = 1,241,062.76 × 491,379.84
  4. Step 4: Simplify right side
    899,359.22x = 609,833,221,667.21
  5. Step 5: Solve for x
    x = 609,833,221,667.21/899,359.22
  6. Step 6: Final answer
    x = 678,075.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.