Home / 867,710.64-1,301,434.74-236,674.20

Finding the Fourth Proportional to 867,710.64, 1,301,434.74 and 236,674.20

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Solution

The fourth proportional to 867,710.64, 1,301,434.74 and 236,674.20 is: 354,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,710.64 : 1,301,434.74 = 236,674.20 : x
  2. Step 2: Convert to fraction form
    867,710.64/1,301,434.74 = 236,674.20/x
  3. Step 3: Cross multiply
    867,710.64x = 1,301,434.74 × 236,674.20
  4. Step 4: Simplify right side
    867,710.64x = 308,016,025,941.71
  5. Step 5: Solve for x
    x = 308,016,025,941.71/867,710.64
  6. Step 6: Final answer
    x = 354,975.51

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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.