Home / 890,962.80-1,229,506.20-488,554.80

Finding the Fourth Proportional to 890,962.80, 1,229,506.20 and 488,554.80

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Solution

The fourth proportional to 890,962.80, 1,229,506.20 and 488,554.80 is: 674,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,962.80 : 1,229,506.20 = 488,554.80 : x
  2. Step 2: Convert to fraction form
    890,962.80/1,229,506.20 = 488,554.80/x
  3. Step 3: Cross multiply
    890,962.80x = 1,229,506.20 × 488,554.80
  4. Step 4: Simplify right side
    890,962.80x = 600,681,155,639.76
  5. Step 5: Solve for x
    x = 600,681,155,639.76/890,962.80
  6. Step 6: Final answer
    x = 674,193.31

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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.