Home / 805,220.02-1,111,228.50-442,671.58

Finding the Fourth Proportional to 805,220.02, 1,111,228.50 and 442,671.58

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Solution

The fourth proportional to 805,220.02, 1,111,228.50 and 442,671.58 is: 610,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,220.02 : 1,111,228.50 = 442,671.58 : x
  2. Step 2: Convert to fraction form
    805,220.02/1,111,228.50 = 442,671.58/x
  3. Step 3: Cross multiply
    805,220.02x = 1,111,228.50 × 442,671.58
  4. Step 4: Simplify right side
    805,220.02x = 491,909,275,836.03
  5. Step 5: Solve for x
    x = 491,909,275,836.03/805,220.02
  6. Step 6: Final answer
    x = 610,900.45

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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.