Home / 843,157.65-1,163,528.35-480,698.25

Finding the Fourth Proportional to 843,157.65, 1,163,528.35 and 480,698.25

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Solution

The fourth proportional to 843,157.65, 1,163,528.35 and 480,698.25 is: 663,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,157.65 : 1,163,528.35 = 480,698.25 : x
  2. Step 2: Convert to fraction form
    843,157.65/1,163,528.35 = 480,698.25/x
  3. Step 3: Cross multiply
    843,157.65x = 1,163,528.35 × 480,698.25
  4. Step 4: Simplify right side
    843,157.65x = 559,306,036,105.41
  5. Step 5: Solve for x
    x = 559,306,036,105.41/843,157.65
  6. Step 6: Final answer
    x = 663,346.92

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Double scale
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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.