Home / 807,130.92-1,210,276.04-301,275.96

Finding the Fourth Proportional to 807,130.92, 1,210,276.04 and 301,275.96

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Solution

The fourth proportional to 807,130.92, 1,210,276.04 and 301,275.96 is: 451,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,130.92 : 1,210,276.04 = 301,275.96 : x
  2. Step 2: Convert to fraction form
    807,130.92/1,210,276.04 = 301,275.96/x
  3. Step 3: Cross multiply
    807,130.92x = 1,210,276.04 × 301,275.96
  4. Step 4: Simplify right side
    807,130.92x = 364,627,075,816.00
  5. Step 5: Solve for x
    x = 364,627,075,816.00/807,130.92
  6. Step 6: Final answer
    x = 451,757.04

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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.