Home / 758,706.41-1,138,698.16-379,513.55

Finding the Fourth Proportional to 758,706.41, 1,138,698.16 and 379,513.55

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Solution

The fourth proportional to 758,706.41, 1,138,698.16 and 379,513.55 is: 569,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,706.41 : 1,138,698.16 = 379,513.55 : x
  2. Step 2: Convert to fraction form
    758,706.41/1,138,698.16 = 379,513.55/x
  3. Step 3: Cross multiply
    758,706.41x = 1,138,698.16 × 379,513.55
  4. Step 4: Simplify right side
    758,706.41x = 432,151,374,437.79
  5. Step 5: Solve for x
    x = 432,151,374,437.79/758,706.41
  6. Step 6: Final answer
    x = 569,589.73

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Double scale
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1.5x scale

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.