Home / 873,322.73-1,205,173.02-491,348.60

Finding the Fourth Proportional to 873,322.73, 1,205,173.02 and 491,348.60

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Solution

The fourth proportional to 873,322.73, 1,205,173.02 and 491,348.60 is: 678,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,322.73 : 1,205,173.02 = 491,348.60 : x
  2. Step 2: Convert to fraction form
    873,322.73/1,205,173.02 = 491,348.60/x
  3. Step 3: Cross multiply
    873,322.73x = 1,205,173.02 × 491,348.60
  4. Step 4: Simplify right side
    873,322.73x = 592,160,076,134.77
  5. Step 5: Solve for x
    x = 592,160,076,134.77/873,322.73
  6. Step 6: Final answer
    x = 678,054.12

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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.