Home / 898,638.80-1,346,208.60-498,563.60

Finding the Fourth Proportional to 898,638.80, 1,346,208.60 and 498,563.60

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Solution

The fourth proportional to 898,638.80, 1,346,208.60 and 498,563.60 is: 746,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,638.80 : 1,346,208.60 = 498,563.60 : x
  2. Step 2: Convert to fraction form
    898,638.80/1,346,208.60 = 498,563.60/x
  3. Step 3: Cross multiply
    898,638.80x = 1,346,208.60 × 498,563.60
  4. Step 4: Simplify right side
    898,638.80x = 671,170,605,966.96
  5. Step 5: Solve for x
    x = 671,170,605,966.96/898,638.80
  6. Step 6: Final answer
    x = 746,874.72

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Double scale
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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.