Home / 692,703.20-1,039,054.80-456,312.80

Finding the Fourth Proportional to 692,703.20, 1,039,054.80 and 456,312.80

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Solution

The fourth proportional to 692,703.20, 1,039,054.80 and 456,312.80 is: 684,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,703.20 : 1,039,054.80 = 456,312.80 : x
  2. Step 2: Convert to fraction form
    692,703.20/1,039,054.80 = 456,312.80/x
  3. Step 3: Cross multiply
    692,703.20x = 1,039,054.80 × 456,312.80
  4. Step 4: Simplify right side
    692,703.20x = 474,134,005,141.44
  5. Step 5: Solve for x
    x = 474,134,005,141.44/692,703.20
  6. Step 6: Final answer
    x = 684,469.20

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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.