Home / 989,730.60-1,484,595.90-492,066.60

Finding the Fourth Proportional to 989,730.60, 1,484,595.90 and 492,066.60

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Solution

The fourth proportional to 989,730.60, 1,484,595.90 and 492,066.60 is: 738,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,730.60 : 1,484,595.90 = 492,066.60 : x
  2. Step 2: Convert to fraction form
    989,730.60/1,484,595.90 = 492,066.60/x
  3. Step 3: Cross multiply
    989,730.60x = 1,484,595.90 × 492,066.60
  4. Step 4: Simplify right side
    989,730.60x = 730,520,056,886.94
  5. Step 5: Solve for x
    x = 730,520,056,886.94/989,730.60
  6. Step 6: Final answer
    x = 738,099.90

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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.