Home / 807,150.40-1,210,142.40-452,273.20

Finding the Fourth Proportional to 807,150.40, 1,210,142.40 and 452,273.20

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Solution

The fourth proportional to 807,150.40, 1,210,142.40 and 452,273.20 is: 678,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,150.40 : 1,210,142.40 = 452,273.20 : x
  2. Step 2: Convert to fraction form
    807,150.40/1,210,142.40 = 452,273.20/x
  3. Step 3: Cross multiply
    807,150.40x = 1,210,142.40 × 452,273.20
  4. Step 4: Simplify right side
    807,150.40x = 547,314,975,703.68
  5. Step 5: Solve for x
    x = 547,314,975,703.68/807,150.40
  6. Step 6: Final answer
    x = 678,083.01

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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.