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Finding the Fourth Proportional to 559,571.88, 838,655.54 and 440,774.04

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Solution

The fourth proportional to 559,571.88, 838,655.54 and 440,774.04 is: 660,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,571.88 : 838,655.54 = 440,774.04 : x
  2. Step 2: Convert to fraction form
    559,571.88/838,655.54 = 440,774.04/x
  3. Step 3: Cross multiply
    559,571.88x = 838,655.54 × 440,774.04
  4. Step 4: Simplify right side
    559,571.88x = 369,657,590,534.18
  5. Step 5: Solve for x
    x = 369,657,590,534.18/559,571.88
  6. Step 6: Final answer
    x = 660,607.87

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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.