Home / 913,308.77-1,369,969.00-239,384.25

Finding the Fourth Proportional to 913,308.77, 1,369,969.00 and 239,384.25

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Solution

The fourth proportional to 913,308.77, 1,369,969.00 and 239,384.25 is: 359,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,308.77 : 1,369,969.00 = 239,384.25 : x
  2. Step 2: Convert to fraction form
    913,308.77/1,369,969.00 = 239,384.25/x
  3. Step 3: Cross multiply
    913,308.77x = 1,369,969.00 × 239,384.25
  4. Step 4: Simplify right side
    913,308.77x = 327,949,000,989.79
  5. Step 5: Solve for x
    x = 327,949,000,989.79/913,308.77
  6. Step 6: Final answer
    x = 359,077.91

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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.