Home / 875,263.86-1,312,370.10-342,149.94

Finding the Fourth Proportional to 875,263.86, 1,312,370.10 and 342,149.94

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Solution

The fourth proportional to 875,263.86, 1,312,370.10 and 342,149.94 is: 513,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,263.86 : 1,312,370.10 = 342,149.94 : x
  2. Step 2: Convert to fraction form
    875,263.86/1,312,370.10 = 342,149.94/x
  3. Step 3: Cross multiply
    875,263.86x = 1,312,370.10 × 342,149.94
  4. Step 4: Simplify right side
    875,263.86x = 449,027,350,972.79
  5. Step 5: Solve for x
    x = 449,027,350,972.79/875,263.86
  6. Step 6: Final answer
    x = 513,019.41

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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.