Home / 839,654.72-1,158,735.60-457,681.52

Finding the Fourth Proportional to 839,654.72, 1,158,735.60 and 457,681.52

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Solution

The fourth proportional to 839,654.72, 1,158,735.60 and 457,681.52 is: 631,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,654.72 : 1,158,735.60 = 457,681.52 : x
  2. Step 2: Convert to fraction form
    839,654.72/1,158,735.60 = 457,681.52/x
  3. Step 3: Cross multiply
    839,654.72x = 1,158,735.60 × 457,681.52
  4. Step 4: Simplify right side
    839,654.72x = 530,331,870,686.11
  5. Step 5: Solve for x
    x = 530,331,870,686.11/839,654.72
  6. Step 6: Final answer
    x = 631,607.09

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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.