Home / 830,727.42-1,248,342.36-451,928.04

Finding the Fourth Proportional to 830,727.42, 1,248,342.36 and 451,928.04

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Solution

The fourth proportional to 830,727.42, 1,248,342.36 and 451,928.04 is: 679,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,727.42 : 1,248,342.36 = 451,928.04 : x
  2. Step 2: Convert to fraction form
    830,727.42/1,248,342.36 = 451,928.04/x
  3. Step 3: Cross multiply
    830,727.42x = 1,248,342.36 × 451,928.04
  4. Step 4: Simplify right side
    830,727.42x = 564,160,916,003.77
  5. Step 5: Solve for x
    x = 564,160,916,003.77/830,727.42
  6. Step 6: Final answer
    x = 679,116.76

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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.