Home / 791,009.10-1,185,526.68-385,867.32

Finding the Fourth Proportional to 791,009.10, 1,185,526.68 and 385,867.32

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Solution

The fourth proportional to 791,009.10, 1,185,526.68 and 385,867.32 is: 578,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,009.10 : 1,185,526.68 = 385,867.32 : x
  2. Step 2: Convert to fraction form
    791,009.10/1,185,526.68 = 385,867.32/x
  3. Step 3: Cross multiply
    791,009.10x = 1,185,526.68 × 385,867.32
  4. Step 4: Simplify right side
    791,009.10x = 457,456,002,800.10
  5. Step 5: Solve for x
    x = 457,456,002,800.10/791,009.10
  6. Step 6: Final answer
    x = 578,319.52

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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.