Home / 983,282.40-1,356,871.68-553,545.36

Finding the Fourth Proportional to 983,282.40, 1,356,871.68 and 553,545.36

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Solution

The fourth proportional to 983,282.40, 1,356,871.68 and 553,545.36 is: 763,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,282.40 : 1,356,871.68 = 553,545.36 : x
  2. Step 2: Convert to fraction form
    983,282.40/1,356,871.68 = 553,545.36/x
  3. Step 3: Cross multiply
    983,282.40x = 1,356,871.68 × 553,545.36
  4. Step 4: Simplify right side
    983,282.40x = 751,090,022,579.41
  5. Step 5: Solve for x
    x = 751,090,022,579.41/983,282.40
  6. Step 6: Final answer
    x = 763,859.93

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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.