Home / 993,345.11-1,490,239.78-362,258.93

Finding the Fourth Proportional to 993,345.11, 1,490,239.78 and 362,258.93

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Solution

The fourth proportional to 993,345.11, 1,490,239.78 and 362,258.93 is: 543,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,345.11 : 1,490,239.78 = 362,258.93 : x
  2. Step 2: Convert to fraction form
    993,345.11/1,490,239.78 = 362,258.93/x
  3. Step 3: Cross multiply
    993,345.11x = 1,490,239.78 × 362,258.93
  4. Step 4: Simplify right side
    993,345.11x = 539,852,660,695.04
  5. Step 5: Solve for x
    x = 539,852,660,695.04/993,345.11
  6. Step 6: Final answer
    x = 543,469.39

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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.