Home / 993,431.22-1,490,398.34-283,461.77

Finding the Fourth Proportional to 993,431.22, 1,490,398.34 and 283,461.77

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Solution

The fourth proportional to 993,431.22, 1,490,398.34 and 283,461.77 is: 425,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,431.22 : 1,490,398.34 = 283,461.77 : x
  2. Step 2: Convert to fraction form
    993,431.22/1,490,398.34 = 283,461.77/x
  3. Step 3: Cross multiply
    993,431.22x = 1,490,398.34 × 283,461.77
  4. Step 4: Simplify right side
    993,431.22x = 422,470,942,592.16
  5. Step 5: Solve for x
    x = 422,470,942,592.16/993,431.22
  6. Step 6: Final answer
    x = 425,264.41

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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.