Home / 830,858.18-1,146,589.30-463,358.54

Finding the Fourth Proportional to 830,858.18, 1,146,589.30 and 463,358.54

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Solution

The fourth proportional to 830,858.18, 1,146,589.30 and 463,358.54 is: 639,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,858.18 : 1,146,589.30 = 463,358.54 : x
  2. Step 2: Convert to fraction form
    830,858.18/1,146,589.30 = 463,358.54/x
  3. Step 3: Cross multiply
    830,858.18x = 1,146,589.30 × 463,358.54
  4. Step 4: Simplify right side
    830,858.18x = 531,281,944,027.62
  5. Step 5: Solve for x
    x = 531,281,944,027.62/830,858.18
  6. Step 6: Final answer
    x = 639,437.58

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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.