Home / 807,614.20-1,210,983.90-334,347.40

Finding the Fourth Proportional to 807,614.20, 1,210,983.90 and 334,347.40

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Solution

The fourth proportional to 807,614.20, 1,210,983.90 and 334,347.40 is: 501,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,614.20 : 1,210,983.90 = 334,347.40 : x
  2. Step 2: Convert to fraction form
    807,614.20/1,210,983.90 = 334,347.40/x
  3. Step 3: Cross multiply
    807,614.20x = 1,210,983.90 × 334,347.40
  4. Step 4: Simplify right side
    807,614.20x = 404,889,318,406.86
  5. Step 5: Solve for x
    x = 404,889,318,406.86/807,614.20
  6. Step 6: Final answer
    x = 501,340.02

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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.