Home / 456,641.12-684,947.56-216,927.58

Finding the Fourth Proportional to 456,641.12, 684,947.56 and 216,927.58

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Solution

The fourth proportional to 456,641.12, 684,947.56 and 216,927.58 is: 325,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,641.12 : 684,947.56 = 216,927.58 : x
  2. Step 2: Convert to fraction form
    456,641.12/684,947.56 = 216,927.58/x
  3. Step 3: Cross multiply
    456,641.12x = 684,947.56 × 216,927.58
  4. Step 4: Simplify right side
    456,641.12x = 148,584,016,102.08
  5. Step 5: Solve for x
    x = 148,584,016,102.08/456,641.12
  6. Step 6: Final answer
    x = 325,384.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.