Home / 785,512.50-1,084,007.25-427,816.50

Finding the Fourth Proportional to 785,512.50, 1,084,007.25 and 427,816.50

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Solution

The fourth proportional to 785,512.50, 1,084,007.25 and 427,816.50 is: 590,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,512.50 : 1,084,007.25 = 427,816.50 : x
  2. Step 2: Convert to fraction form
    785,512.50/1,084,007.25 = 427,816.50/x
  3. Step 3: Cross multiply
    785,512.50x = 1,084,007.25 × 427,816.50
  4. Step 4: Simplify right side
    785,512.50x = 463,756,187,669.63
  5. Step 5: Solve for x
    x = 463,756,187,669.63/785,512.50
  6. Step 6: Final answer
    x = 590,386.77

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1.5x scale

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.