Home / 874,778.12-1,312,566.98-395,134.16

Finding the Fourth Proportional to 874,778.12, 1,312,566.98 and 395,134.16

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Solution

The fourth proportional to 874,778.12, 1,312,566.98 and 395,134.16 is: 592,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,778.12 : 1,312,566.98 = 395,134.16 : x
  2. Step 2: Convert to fraction form
    874,778.12/1,312,566.98 = 395,134.16/x
  3. Step 3: Cross multiply
    874,778.12x = 1,312,566.98 × 395,134.16
  4. Step 4: Simplify right side
    874,778.12x = 518,640,051,086.04
  5. Step 5: Solve for x
    x = 518,640,051,086.04/874,778.12
  6. Step 6: Final answer
    x = 592,881.83

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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.