Home / 839,302.08-1,258,953.21-240,265.41

Finding the Fourth Proportional to 839,302.08, 1,258,953.21 and 240,265.41

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Solution

The fourth proportional to 839,302.08, 1,258,953.21 and 240,265.41 is: 360,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,302.08 : 1,258,953.21 = 240,265.41 : x
  2. Step 2: Convert to fraction form
    839,302.08/1,258,953.21 = 240,265.41/x
  3. Step 3: Cross multiply
    839,302.08x = 1,258,953.21 × 240,265.41
  4. Step 4: Simplify right side
    839,302.08x = 302,482,909,171.47
  5. Step 5: Solve for x
    x = 302,482,909,171.47/839,302.08
  6. Step 6: Final answer
    x = 360,398.14

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Double scale
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Similar ratio
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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.