Home / 927,708.42-1,281,017.79-697,867.32

Finding the Fourth Proportional to 927,708.42, 1,281,017.79 and 697,867.32

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Solution

The fourth proportional to 927,708.42, 1,281,017.79 and 697,867.32 is: 963,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,708.42 : 1,281,017.79 = 697,867.32 : x
  2. Step 2: Convert to fraction form
    927,708.42/1,281,017.79 = 697,867.32/x
  3. Step 3: Cross multiply
    927,708.42x = 1,281,017.79 × 697,867.32
  4. Step 4: Simplify right side
    927,708.42x = 893,980,451,979.62
  5. Step 5: Solve for x
    x = 893,980,451,979.62/927,708.42
  6. Step 6: Final answer
    x = 963,643.78

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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.