Home / 841,070.76-1,261,545.13-328,639.57

Finding the Fourth Proportional to 841,070.76, 1,261,545.13 and 328,639.57

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Solution

The fourth proportional to 841,070.76, 1,261,545.13 and 328,639.57 is: 492,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,070.76 : 1,261,545.13 = 328,639.57 : x
  2. Step 2: Convert to fraction form
    841,070.76/1,261,545.13 = 328,639.57/x
  3. Step 3: Cross multiply
    841,070.76x = 1,261,545.13 × 328,639.57
  4. Step 4: Simplify right side
    841,070.76x = 414,593,646,315.73
  5. Step 5: Solve for x
    x = 414,593,646,315.73/841,070.76
  6. Step 6: Final answer
    x = 492,935.51

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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.