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Finding the Fourth Proportional to 713,145.96, 982,383.66 and 610,838.10

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Solution

The fourth proportional to 713,145.96, 982,383.66 and 610,838.10 is: 841,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,145.96 : 982,383.66 = 610,838.10 : x
  2. Step 2: Convert to fraction form
    713,145.96/982,383.66 = 610,838.10/x
  3. Step 3: Cross multiply
    713,145.96x = 982,383.66 × 610,838.10
  4. Step 4: Simplify right side
    713,145.96x = 600,077,368,345.45
  5. Step 5: Solve for x
    x = 600,077,368,345.45/713,145.96
  6. Step 6: Final answer
    x = 841,450.98

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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.