Home / 829,022.24-1,144,139.28-506,921.12

Finding the Fourth Proportional to 829,022.24, 1,144,139.28 and 506,921.12

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Solution

The fourth proportional to 829,022.24, 1,144,139.28 and 506,921.12 is: 699,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,022.24 : 1,144,139.28 = 506,921.12 : x
  2. Step 2: Convert to fraction form
    829,022.24/1,144,139.28 = 506,921.12/x
  3. Step 3: Cross multiply
    829,022.24x = 1,144,139.28 × 506,921.12
  4. Step 4: Simplify right side
    829,022.24x = 579,988,365,253.59
  5. Step 5: Solve for x
    x = 579,988,365,253.59/829,022.24
  6. Step 6: Final answer
    x = 699,605.31

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.