Home / 757,515.72-1,045,336.68-434,998.92

Finding the Fourth Proportional to 757,515.72, 1,045,336.68 and 434,998.92

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Solution

The fourth proportional to 757,515.72, 1,045,336.68 and 434,998.92 is: 600,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,515.72 : 1,045,336.68 = 434,998.92 : x
  2. Step 2: Convert to fraction form
    757,515.72/1,045,336.68 = 434,998.92/x
  3. Step 3: Cross multiply
    757,515.72x = 1,045,336.68 × 434,998.92
  4. Step 4: Simplify right side
    757,515.72x = 454,720,326,836.39
  5. Step 5: Solve for x
    x = 454,720,326,836.39/757,515.72
  6. Step 6: Final answer
    x = 600,278.40

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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.