Home / 851,569.36-1,275,279.03-563,205.32

Finding the Fourth Proportional to 851,569.36, 1,275,279.03 and 563,205.32

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Solution

The fourth proportional to 851,569.36, 1,275,279.03 and 563,205.32 is: 843,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,569.36 : 1,275,279.03 = 563,205.32 : x
  2. Step 2: Convert to fraction form
    851,569.36/1,275,279.03 = 563,205.32/x
  3. Step 3: Cross multiply
    851,569.36x = 1,275,279.03 × 563,205.32
  4. Step 4: Simplify right side
    851,569.36x = 718,243,937,368.64
  5. Step 5: Solve for x
    x = 718,243,937,368.64/851,569.36
  6. Step 6: Final answer
    x = 843,435.63

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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.