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Finding the Fourth Proportional to 573,473.61, 860,385.38 and 293,187.69

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Solution

The fourth proportional to 573,473.61, 860,385.38 and 293,187.69 is: 439,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,473.61 : 860,385.38 = 293,187.69 : x
  2. Step 2: Convert to fraction form
    573,473.61/860,385.38 = 293,187.69/x
  3. Step 3: Cross multiply
    573,473.61x = 860,385.38 × 293,187.69
  4. Step 4: Simplify right side
    573,473.61x = 252,254,400,606.03
  5. Step 5: Solve for x
    x = 252,254,400,606.03/573,473.61
  6. Step 6: Final answer
    x = 439,870.98

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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.