Home / 766,884.59-1,058,308.16-422,733.91

Finding the Fourth Proportional to 766,884.59, 1,058,308.16 and 422,733.91

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Solution

The fourth proportional to 766,884.59, 1,058,308.16 and 422,733.91 is: 583,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,884.59 : 1,058,308.16 = 422,733.91 : x
  2. Step 2: Convert to fraction form
    766,884.59/1,058,308.16 = 422,733.91/x
  3. Step 3: Cross multiply
    766,884.59x = 1,058,308.16 × 422,733.91
  4. Step 4: Simplify right side
    766,884.59x = 447,382,746,461.71
  5. Step 5: Solve for x
    x = 447,382,746,461.71/766,884.59
  6. Step 6: Final answer
    x = 583,376.89

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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.