Home / 689,718.24-1,034,830.08-290,459.52

Finding the Fourth Proportional to 689,718.24, 1,034,830.08 and 290,459.52

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Solution

The fourth proportional to 689,718.24, 1,034,830.08 and 290,459.52 is: 435,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,718.24 : 1,034,830.08 = 290,459.52 : x
  2. Step 2: Convert to fraction form
    689,718.24/1,034,830.08 = 290,459.52/x
  3. Step 3: Cross multiply
    689,718.24x = 1,034,830.08 × 290,459.52
  4. Step 4: Simplify right side
    689,718.24x = 300,576,248,318.36
  5. Step 5: Solve for x
    x = 300,576,248,318.36/689,718.24
  6. Step 6: Final answer
    x = 435,795.71

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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.