Home / 781,664.73-1,172,582.06-249,060.57

Finding the Fourth Proportional to 781,664.73, 1,172,582.06 and 249,060.57

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Solution

The fourth proportional to 781,664.73, 1,172,582.06 and 249,060.57 is: 373,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,664.73 : 1,172,582.06 = 249,060.57 : x
  2. Step 2: Convert to fraction form
    781,664.73/1,172,582.06 = 249,060.57/x
  3. Step 3: Cross multiply
    781,664.73x = 1,172,582.06 × 249,060.57
  4. Step 4: Simplify right side
    781,664.73x = 292,043,954,990.07
  5. Step 5: Solve for x
    x = 292,043,954,990.07/781,664.73
  6. Step 6: Final answer
    x = 373,617.93

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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.