Home / 763,885.10-1,054,253.07-458,129.69

Finding the Fourth Proportional to 763,885.10, 1,054,253.07 and 458,129.69

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Solution

The fourth proportional to 763,885.10, 1,054,253.07 and 458,129.69 is: 632,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,885.10 : 1,054,253.07 = 458,129.69 : x
  2. Step 2: Convert to fraction form
    763,885.10/1,054,253.07 = 458,129.69/x
  3. Step 3: Cross multiply
    763,885.10x = 1,054,253.07 × 458,129.69
  4. Step 4: Simplify right side
    763,885.10x = 482,984,626,869.38
  5. Step 5: Solve for x
    x = 482,984,626,869.38/763,885.10
  6. Step 6: Final answer
    x = 632,273.92

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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.