Home / 780,346.73-1,076,875.37-436,182.29

Finding the Fourth Proportional to 780,346.73, 1,076,875.37 and 436,182.29

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Solution

The fourth proportional to 780,346.73, 1,076,875.37 and 436,182.29 is: 601,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,346.73 : 1,076,875.37 = 436,182.29 : x
  2. Step 2: Convert to fraction form
    780,346.73/1,076,875.37 = 436,182.29/x
  3. Step 3: Cross multiply
    780,346.73x = 1,076,875.37 × 436,182.29
  4. Step 4: Simplify right side
    780,346.73x = 469,713,965,493.40
  5. Step 5: Solve for x
    x = 469,713,965,493.40/780,346.73
  6. Step 6: Final answer
    x = 601,929.82

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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.