Home / 680,957.46-1,020,055.64-315,705.98

Finding the Fourth Proportional to 680,957.46, 1,020,055.64 and 315,705.98

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Solution

The fourth proportional to 680,957.46, 1,020,055.64 and 315,705.98 is: 472,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,957.46 : 1,020,055.64 = 315,705.98 : x
  2. Step 2: Convert to fraction form
    680,957.46/1,020,055.64 = 315,705.98/x
  3. Step 3: Cross multiply
    680,957.46x = 1,020,055.64 × 315,705.98
  4. Step 4: Simplify right side
    680,957.46x = 322,037,665,480.73
  5. Step 5: Solve for x
    x = 322,037,665,480.73/680,957.46
  6. Step 6: Final answer
    x = 472,918.92

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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.