Home / 782,513.64-1,079,852.58-424,817.64

Finding the Fourth Proportional to 782,513.64, 1,079,852.58 and 424,817.64

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Solution

The fourth proportional to 782,513.64, 1,079,852.58 and 424,817.64 is: 586,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,513.64 : 1,079,852.58 = 424,817.64 : x
  2. Step 2: Convert to fraction form
    782,513.64/1,079,852.58 = 424,817.64/x
  3. Step 3: Cross multiply
    782,513.64x = 1,079,852.58 × 424,817.64
  4. Step 4: Simplify right side
    782,513.64x = 458,740,424,583.51
  5. Step 5: Solve for x
    x = 458,740,424,583.51/782,513.64
  6. Step 6: Final answer
    x = 586,239.52

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1.5x scale

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.