Home / 813,020.04-1,220,278.68-413,946

Finding the Fourth Proportional to 813,020.04, 1,220,278.68 and 413,946

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Solution

The fourth proportional to 813,020.04, 1,220,278.68 and 413,946 is: 621,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,020.04 : 1,220,278.68 = 413,946 : x
  2. Step 2: Convert to fraction form
    813,020.04/1,220,278.68 = 413,946/x
  3. Step 3: Cross multiply
    813,020.04x = 1,220,278.68 × 413,946
  4. Step 4: Simplify right side
    813,020.04x = 505,129,478,471.28
  5. Step 5: Solve for x
    x = 505,129,478,471.28/813,020.04
  6. Step 6: Final answer
    x = 621,300.16

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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.