Home / 930,570.62-1,284,128.30-522,661.91

Finding the Fourth Proportional to 930,570.62, 1,284,128.30 and 522,661.91

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Solution

The fourth proportional to 930,570.62, 1,284,128.30 and 522,661.91 is: 721,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,570.62 : 1,284,128.30 = 522,661.91 : x
  2. Step 2: Convert to fraction form
    930,570.62/1,284,128.30 = 522,661.91/x
  3. Step 3: Cross multiply
    930,570.62x = 1,284,128.30 × 522,661.91
  4. Step 4: Simplify right side
    930,570.62x = 671,164,944,849.07
  5. Step 5: Solve for x
    x = 671,164,944,849.07/930,570.62
  6. Step 6: Final answer
    x = 721,240.21

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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.