Home / 712,955.64-1,069,434.26-180,476.64

Finding the Fourth Proportional to 712,955.64, 1,069,434.26 and 180,476.64

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Solution

The fourth proportional to 712,955.64, 1,069,434.26 and 180,476.64 is: 270,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,955.64 : 1,069,434.26 = 180,476.64 : x
  2. Step 2: Convert to fraction form
    712,955.64/1,069,434.26 = 180,476.64/x
  3. Step 3: Cross multiply
    712,955.64x = 1,069,434.26 × 180,476.64
  4. Step 4: Simplify right side
    712,955.64x = 193,007,901,945.69
  5. Step 5: Solve for x
    x = 193,007,901,945.69/712,955.64
  6. Step 6: Final answer
    x = 270,715.16

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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.