Home / 486,058.10-670,490.61-284,815.22

Finding the Fourth Proportional to 486,058.10, 670,490.61 and 284,815.22

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Solution

The fourth proportional to 486,058.10, 670,490.61 and 284,815.22 is: 392,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,058.10 : 670,490.61 = 284,815.22 : x
  2. Step 2: Convert to fraction form
    486,058.10/670,490.61 = 284,815.22/x
  3. Step 3: Cross multiply
    486,058.10x = 670,490.61 × 284,815.22
  4. Step 4: Simplify right side
    486,058.10x = 190,965,930,595.08
  5. Step 5: Solve for x
    x = 190,965,930,595.08/486,058.10
  6. Step 6: Final answer
    x = 392,887.04

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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.