Home / 807,487.20-1,210,793.40-333,637.20

Finding the Fourth Proportional to 807,487.20, 1,210,793.40 and 333,637.20

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Solution

The fourth proportional to 807,487.20, 1,210,793.40 and 333,637.20 is: 500,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,487.20 : 1,210,793.40 = 333,637.20 : x
  2. Step 2: Convert to fraction form
    807,487.20/1,210,793.40 = 333,637.20/x
  3. Step 3: Cross multiply
    807,487.20x = 1,210,793.40 × 333,637.20
  4. Step 4: Simplify right side
    807,487.20x = 403,965,719,754.48
  5. Step 5: Solve for x
    x = 403,965,719,754.48/807,487.20
  6. Step 6: Final answer
    x = 500,275.08

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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.