Home / 832,939.24-1,248,100.62-643,862.92

Finding the Fourth Proportional to 832,939.24, 1,248,100.62 and 643,862.92

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Solution

The fourth proportional to 832,939.24, 1,248,100.62 and 643,862.92 is: 964,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,939.24 : 1,248,100.62 = 643,862.92 : x
  2. Step 2: Convert to fraction form
    832,939.24/1,248,100.62 = 643,862.92/x
  3. Step 3: Cross multiply
    832,939.24x = 1,248,100.62 × 643,862.92
  4. Step 4: Simplify right side
    832,939.24x = 803,605,709,647.01
  5. Step 5: Solve for x
    x = 803,605,709,647.01/832,939.24
  6. Step 6: Final answer
    x = 964,783.11

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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.