Home / 807,637.55-1,114,547.19-445,074.42

Finding the Fourth Proportional to 807,637.55, 1,114,547.19 and 445,074.42

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Solution

The fourth proportional to 807,637.55, 1,114,547.19 and 445,074.42 is: 614,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,637.55 : 1,114,547.19 = 445,074.42 : x
  2. Step 2: Convert to fraction form
    807,637.55/1,114,547.19 = 445,074.42/x
  3. Step 3: Cross multiply
    807,637.55x = 1,114,547.19 × 445,074.42
  4. Step 4: Simplify right side
    807,637.55x = 496,056,444,151.88
  5. Step 5: Solve for x
    x = 496,056,444,151.88/807,637.55
  6. Step 6: Final answer
    x = 614,206.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.