Home / 807,007.30-1,210,510.95-492,079.30

Finding the Fourth Proportional to 807,007.30, 1,210,510.95 and 492,079.30

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Solution

The fourth proportional to 807,007.30, 1,210,510.95 and 492,079.30 is: 738,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,007.30 : 1,210,510.95 = 492,079.30 : x
  2. Step 2: Convert to fraction form
    807,007.30/1,210,510.95 = 492,079.30/x
  3. Step 3: Cross multiply
    807,007.30x = 1,210,510.95 × 492,079.30
  4. Step 4: Simplify right side
    807,007.30x = 595,667,380,918.34
  5. Step 5: Solve for x
    x = 595,667,380,918.34/807,007.30
  6. Step 6: Final answer
    x = 738,118.95

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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.