Home / 744,513.30-1,116,769.95-661,844.70

Finding the Fourth Proportional to 744,513.30, 1,116,769.95 and 661,844.70

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Solution

The fourth proportional to 744,513.30, 1,116,769.95 and 661,844.70 is: 992,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,513.30 : 1,116,769.95 = 661,844.70 : x
  2. Step 2: Convert to fraction form
    744,513.30/1,116,769.95 = 661,844.70/x
  3. Step 3: Cross multiply
    744,513.30x = 1,116,769.95 × 661,844.70
  4. Step 4: Simplify right side
    744,513.30x = 739,128,272,526.77
  5. Step 5: Solve for x
    x = 739,128,272,526.77/744,513.30
  6. Step 6: Final answer
    x = 992,767.05

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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.