Home / 724,909.02-1,087,497.37-238,618.63

Finding the Fourth Proportional to 724,909.02, 1,087,497.37 and 238,618.63

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Solution

The fourth proportional to 724,909.02, 1,087,497.37 and 238,618.63 is: 357,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,909.02 : 1,087,497.37 = 238,618.63 : x
  2. Step 2: Convert to fraction form
    724,909.02/1,087,497.37 = 238,618.63/x
  3. Step 3: Cross multiply
    724,909.02x = 1,087,497.37 × 238,618.63
  4. Step 4: Simplify right side
    724,909.02x = 259,497,136,603.12
  5. Step 5: Solve for x
    x = 259,497,136,603.12/724,909.02
  6. Step 6: Final answer
    x = 357,972.01

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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.