Home / 839,320.86-1,158,226.52-476,743.62

Finding the Fourth Proportional to 839,320.86, 1,158,226.52 and 476,743.62

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Solution

The fourth proportional to 839,320.86, 1,158,226.52 and 476,743.62 is: 657,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,320.86 : 1,158,226.52 = 476,743.62 : x
  2. Step 2: Convert to fraction form
    839,320.86/1,158,226.52 = 476,743.62/x
  3. Step 3: Cross multiply
    839,320.86x = 1,158,226.52 × 476,743.62
  4. Step 4: Simplify right side
    839,320.86x = 552,177,101,541.08
  5. Step 5: Solve for x
    x = 552,177,101,541.08/839,320.86
  6. Step 6: Final answer
    x = 657,885.59

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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.