Home / 757,455.78-1,045,667.74-471,068.14

Finding the Fourth Proportional to 757,455.78, 1,045,667.74 and 471,068.14

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Solution

The fourth proportional to 757,455.78, 1,045,667.74 and 471,068.14 is: 650,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,455.78 : 1,045,667.74 = 471,068.14 : x
  2. Step 2: Convert to fraction form
    757,455.78/1,045,667.74 = 471,068.14/x
  3. Step 3: Cross multiply
    757,455.78x = 1,045,667.74 × 471,068.14
  4. Step 4: Simplify right side
    757,455.78x = 492,580,757,339.80
  5. Step 5: Solve for x
    x = 492,580,757,339.80/757,455.78
  6. Step 6: Final answer
    x = 650,309.59

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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.