Home / 993,327.60-1,490,018.76-362,711.28

Finding the Fourth Proportional to 993,327.60, 1,490,018.76 and 362,711.28

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Solution

The fourth proportional to 993,327.60, 1,490,018.76 and 362,711.28 is: 544,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,327.60 : 1,490,018.76 = 362,711.28 : x
  2. Step 2: Convert to fraction form
    993,327.60/1,490,018.76 = 362,711.28/x
  3. Step 3: Cross multiply
    993,327.60x = 1,490,018.76 × 362,711.28
  4. Step 4: Simplify right side
    993,327.60x = 540,446,611,663.61
  5. Step 5: Solve for x
    x = 540,446,611,663.61/993,327.60
  6. Step 6: Final answer
    x = 544,076.91

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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.