Home / 874,770.60-1,312,555.71-395,126.64

Finding the Fourth Proportional to 874,770.60, 1,312,555.71 and 395,126.64

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Solution

The fourth proportional to 874,770.60, 1,312,555.71 and 395,126.64 is: 592,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,770.60 : 1,312,555.71 = 395,126.64 : x
  2. Step 2: Convert to fraction form
    874,770.60/1,312,555.71 = 395,126.64/x
  3. Step 3: Cross multiply
    874,770.60x = 1,312,555.71 × 395,126.64
  4. Step 4: Simplify right side
    874,770.60x = 518,625,727,505.11
  5. Step 5: Solve for x
    x = 518,625,727,505.11/874,770.60
  6. Step 6: Final answer
    x = 592,870.55

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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.