Home / 749,379.63-1,034,152.08-409,840.59

Finding the Fourth Proportional to 749,379.63, 1,034,152.08 and 409,840.59

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Solution

The fourth proportional to 749,379.63, 1,034,152.08 and 409,840.59 is: 565,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,379.63 : 1,034,152.08 = 409,840.59 : x
  2. Step 2: Convert to fraction form
    749,379.63/1,034,152.08 = 409,840.59/x
  3. Step 3: Cross multiply
    749,379.63x = 1,034,152.08 × 409,840.59
  4. Step 4: Simplify right side
    749,379.63x = 423,837,500,958.10
  5. Step 5: Solve for x
    x = 423,837,500,958.10/749,379.63
  6. Step 6: Final answer
    x = 565,584.49

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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.