Home / 830,659.96-1,146,310.58-448,686.74

Finding the Fourth Proportional to 830,659.96, 1,146,310.58 and 448,686.74

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Solution

The fourth proportional to 830,659.96, 1,146,310.58 and 448,686.74 is: 619,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,659.96 : 1,146,310.58 = 448,686.74 : x
  2. Step 2: Convert to fraction form
    830,659.96/1,146,310.58 = 448,686.74/x
  3. Step 3: Cross multiply
    830,659.96x = 1,146,310.58 × 448,686.74
  4. Step 4: Simplify right side
    830,659.96x = 514,334,361,155.20
  5. Step 5: Solve for x
    x = 514,334,361,155.20/830,659.96
  6. Step 6: Final answer
    x = 619,187.62

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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.