Home / 989,607.20-1,484,410.80-456,951.20

Finding the Fourth Proportional to 989,607.20, 1,484,410.80 and 456,951.20

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Solution

The fourth proportional to 989,607.20, 1,484,410.80 and 456,951.20 is: 685,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,607.20 : 1,484,410.80 = 456,951.20 : x
  2. Step 2: Convert to fraction form
    989,607.20/1,484,410.80 = 456,951.20/x
  3. Step 3: Cross multiply
    989,607.20x = 1,484,410.80 × 456,951.20
  4. Step 4: Simplify right side
    989,607.20x = 678,303,296,352.96
  5. Step 5: Solve for x
    x = 678,303,296,352.96/989,607.20
  6. Step 6: Final answer
    x = 685,426.80

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Similar ratio
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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.