Home / 696,420.89-1,044,631.68-459,708.25

Finding the Fourth Proportional to 696,420.89, 1,044,631.68 and 459,708.25

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Solution

The fourth proportional to 696,420.89, 1,044,631.68 and 459,708.25 is: 689,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,420.89 : 1,044,631.68 = 459,708.25 : x
  2. Step 2: Convert to fraction form
    696,420.89/1,044,631.68 = 459,708.25/x
  3. Step 3: Cross multiply
    696,420.89x = 1,044,631.68 × 459,708.25
  4. Step 4: Simplify right side
    696,420.89x = 480,225,796,284.20
  5. Step 5: Solve for x
    x = 480,225,796,284.20/696,420.89
  6. Step 6: Final answer
    x = 689,562.60

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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.