Home / 989,153.80-1,483,730.70-902,548.60

Finding the Fourth Proportional to 989,153.80, 1,483,730.70 and 902,548.60

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Solution

The fourth proportional to 989,153.80, 1,483,730.70 and 902,548.60 is: 1,353,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,153.80 : 1,483,730.70 = 902,548.60 : x
  2. Step 2: Convert to fraction form
    989,153.80/1,483,730.70 = 902,548.60/x
  3. Step 3: Cross multiply
    989,153.80x = 1,483,730.70 × 902,548.60
  4. Step 4: Simplify right side
    989,153.80x = 1,339,139,066,062.02
  5. Step 5: Solve for x
    x = 1,339,139,066,062.02/989,153.80
  6. Step 6: Final answer
    x = 1,353,822.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.