Home / 974,873.78-1,345,300.64-539,279.77

Finding the Fourth Proportional to 974,873.78, 1,345,300.64 and 539,279.77

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Solution

The fourth proportional to 974,873.78, 1,345,300.64 and 539,279.77 is: 744,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,873.78 : 1,345,300.64 = 539,279.77 : x
  2. Step 2: Convert to fraction form
    974,873.78/1,345,300.64 = 539,279.77/x
  3. Step 3: Cross multiply
    974,873.78x = 1,345,300.64 × 539,279.77
  4. Step 4: Simplify right side
    974,873.78x = 725,493,418,705.28
  5. Step 5: Solve for x
    x = 725,493,418,705.28/974,873.78
  6. Step 6: Final answer
    x = 744,192.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.