Home / 875,353.32-1,312,658.10-342,789.66

Finding the Fourth Proportional to 875,353.32, 1,312,658.10 and 342,789.66

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Solution

The fourth proportional to 875,353.32, 1,312,658.10 and 342,789.66 is: 514,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,353.32 : 1,312,658.10 = 342,789.66 : x
  2. Step 2: Convert to fraction form
    875,353.32/1,312,658.10 = 342,789.66/x
  3. Step 3: Cross multiply
    875,353.32x = 1,312,658.10 × 342,789.66
  4. Step 4: Simplify right side
    875,353.32x = 449,965,623,795.25
  5. Step 5: Solve for x
    x = 449,965,623,795.25/875,353.32
  6. Step 6: Final answer
    x = 514,038.86

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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.