Home / 887,870.39-1,225,259.46-479,972.48

Finding the Fourth Proportional to 887,870.39, 1,225,259.46 and 479,972.48

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Solution

The fourth proportional to 887,870.39, 1,225,259.46 and 479,972.48 is: 662,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,870.39 : 1,225,259.46 = 479,972.48 : x
  2. Step 2: Convert to fraction form
    887,870.39/1,225,259.46 = 479,972.48/x
  3. Step 3: Cross multiply
    887,870.39x = 1,225,259.46 × 479,972.48
  4. Step 4: Simplify right side
    887,870.39x = 588,090,815,533.36
  5. Step 5: Solve for x
    x = 588,090,815,533.36/887,870.39
  6. Step 6: Final answer
    x = 662,361.11

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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.