Home / 830,539.55-1,146,179.88-463,016.61

Finding the Fourth Proportional to 830,539.55, 1,146,179.88 and 463,016.61

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Solution

The fourth proportional to 830,539.55, 1,146,179.88 and 463,016.61 is: 638,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,539.55 : 1,146,179.88 = 463,016.61 : x
  2. Step 2: Convert to fraction form
    830,539.55/1,146,179.88 = 463,016.61/x
  3. Step 3: Cross multiply
    830,539.55x = 1,146,179.88 × 463,016.61
  4. Step 4: Simplify right side
    830,539.55x = 530,700,321,921.46
  5. Step 5: Solve for x
    x = 530,700,321,921.46/830,539.55
  6. Step 6: Final answer
    x = 638,982.60

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Double scale
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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.