Home / 807,205.86-1,210,525.20-238,435.20

Finding the Fourth Proportional to 807,205.86, 1,210,525.20 and 238,435.20

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Solution

The fourth proportional to 807,205.86, 1,210,525.20 and 238,435.20 is: 357,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,205.86 : 1,210,525.20 = 238,435.20 : x
  2. Step 2: Convert to fraction form
    807,205.86/1,210,525.20 = 238,435.20/x
  3. Step 3: Cross multiply
    807,205.86x = 1,210,525.20 × 238,435.20
  4. Step 4: Simplify right side
    807,205.86x = 288,631,818,167.04
  5. Step 5: Solve for x
    x = 288,631,818,167.04/807,205.86
  6. Step 6: Final answer
    x = 357,569.03

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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.