Home / 757,303.59-1,045,062.12-417,771.75

Finding the Fourth Proportional to 757,303.59, 1,045,062.12 and 417,771.75

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Solution

The fourth proportional to 757,303.59, 1,045,062.12 and 417,771.75 is: 576,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,303.59 : 1,045,062.12 = 417,771.75 : x
  2. Step 2: Convert to fraction form
    757,303.59/1,045,062.12 = 417,771.75/x
  3. Step 3: Cross multiply
    757,303.59x = 1,045,062.12 × 417,771.75
  4. Step 4: Simplify right side
    757,303.59x = 436,597,430,731.11
  5. Step 5: Solve for x
    x = 436,597,430,731.11/757,303.59
  6. Step 6: Final answer
    x = 576,515.73

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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.