Home / 747,864.54-1,120,123.80-347,905.98

Finding the Fourth Proportional to 747,864.54, 1,120,123.80 and 347,905.98

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Solution

The fourth proportional to 747,864.54, 1,120,123.80 and 347,905.98 is: 521,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,864.54 : 1,120,123.80 = 347,905.98 : x
  2. Step 2: Convert to fraction form
    747,864.54/1,120,123.80 = 347,905.98/x
  3. Step 3: Cross multiply
    747,864.54x = 1,120,123.80 × 347,905.98
  4. Step 4: Simplify right side
    747,864.54x = 389,697,768,360.32
  5. Step 5: Solve for x
    x = 389,697,768,360.32/747,864.54
  6. Step 6: Final answer
    x = 521,080.69

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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.