Home / 834,528.31-1,151,671.02-472,005.72

Finding the Fourth Proportional to 834,528.31, 1,151,671.02 and 472,005.72

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Solution

The fourth proportional to 834,528.31, 1,151,671.02 and 472,005.72 is: 651,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,528.31 : 1,151,671.02 = 472,005.72 : x
  2. Step 2: Convert to fraction form
    834,528.31/1,151,671.02 = 472,005.72/x
  3. Step 3: Cross multiply
    834,528.31x = 1,151,671.02 × 472,005.72
  4. Step 4: Simplify right side
    834,528.31x = 543,595,308,998.23
  5. Step 5: Solve for x
    x = 543,595,308,998.23/834,528.31
  6. Step 6: Final answer
    x = 651,380.31

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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.