Home / 708,475.02-1,062,945.84-287,637.90

Finding the Fourth Proportional to 708,475.02, 1,062,945.84 and 287,637.90

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Solution

The fourth proportional to 708,475.02, 1,062,945.84 and 287,637.90 is: 431,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,475.02 : 1,062,945.84 = 287,637.90 : x
  2. Step 2: Convert to fraction form
    708,475.02/1,062,945.84 = 287,637.90/x
  3. Step 3: Cross multiply
    708,475.02x = 1,062,945.84 × 287,637.90
  4. Step 4: Simplify right side
    708,475.02x = 305,743,509,231.34
  5. Step 5: Solve for x
    x = 305,743,509,231.34/708,475.02
  6. Step 6: Final answer
    x = 431,551.57

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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.