Home / 906,012.74-1,249,270.37-578,893.58

Finding the Fourth Proportional to 906,012.74, 1,249,270.37 and 578,893.58

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Solution

The fourth proportional to 906,012.74, 1,249,270.37 and 578,893.58 is: 798,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,012.74 : 1,249,270.37 = 578,893.58 : x
  2. Step 2: Convert to fraction form
    906,012.74/1,249,270.37 = 578,893.58/x
  3. Step 3: Cross multiply
    906,012.74x = 1,249,270.37 × 578,893.58
  4. Step 4: Simplify right side
    906,012.74x = 723,194,594,592.02
  5. Step 5: Solve for x
    x = 723,194,594,592.02/906,012.74
  6. Step 6: Final answer
    x = 798,216.80

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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.