Home / 823,476.02-1,235,313.65-290,888.06

Finding the Fourth Proportional to 823,476.02, 1,235,313.65 and 290,888.06

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Solution

The fourth proportional to 823,476.02, 1,235,313.65 and 290,888.06 is: 436,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,476.02 : 1,235,313.65 = 290,888.06 : x
  2. Step 2: Convert to fraction form
    823,476.02/1,235,313.65 = 290,888.06/x
  3. Step 3: Cross multiply
    823,476.02x = 1,235,313.65 × 290,888.06
  4. Step 4: Simplify right side
    823,476.02x = 359,337,985,690.67
  5. Step 5: Solve for x
    x = 359,337,985,690.67/823,476.02
  6. Step 6: Final answer
    x = 436,367.28

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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.