Home / 821,104.50-1,133,058.90-458,506.72

Finding the Fourth Proportional to 821,104.50, 1,133,058.90 and 458,506.72

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Solution

The fourth proportional to 821,104.50, 1,133,058.90 and 458,506.72 is: 632,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,104.50 : 1,133,058.90 = 458,506.72 : x
  2. Step 2: Convert to fraction form
    821,104.50/1,133,058.90 = 458,506.72/x
  3. Step 3: Cross multiply
    821,104.50x = 1,133,058.90 × 458,506.72
  4. Step 4: Simplify right side
    821,104.50x = 519,515,119,805.81
  5. Step 5: Solve for x
    x = 519,515,119,805.81/821,104.50
  6. Step 6: Final answer
    x = 632,702.80

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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.