Home / 839,869.83-1,159,019.55-457,896.51

Finding the Fourth Proportional to 839,869.83, 1,159,019.55 and 457,896.51

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Solution

The fourth proportional to 839,869.83, 1,159,019.55 and 457,896.51 is: 631,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,869.83 : 1,159,019.55 = 457,896.51 : x
  2. Step 2: Convert to fraction form
    839,869.83/1,159,019.55 = 457,896.51/x
  3. Step 3: Cross multiply
    839,869.83x = 1,159,019.55 × 457,896.51
  4. Step 4: Simplify right side
    839,869.83x = 530,711,006,966.77
  5. Step 5: Solve for x
    x = 530,711,006,966.77/839,869.83
  6. Step 6: Final answer
    x = 631,896.74

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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.