Home / 757,667.18-1,045,605.12-430,971.74

Finding the Fourth Proportional to 757,667.18, 1,045,605.12 and 430,971.74

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Solution

The fourth proportional to 757,667.18, 1,045,605.12 and 430,971.74 is: 594,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,667.18 : 1,045,605.12 = 430,971.74 : x
  2. Step 2: Convert to fraction form
    757,667.18/1,045,605.12 = 430,971.74/x
  3. Step 3: Cross multiply
    757,667.18x = 1,045,605.12 × 430,971.74
  4. Step 4: Simplify right side
    757,667.18x = 450,626,257,919.31
  5. Step 5: Solve for x
    x = 450,626,257,919.31/757,667.18
  6. Step 6: Final answer
    x = 594,754.89

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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.