Home / 788,319.62-1,087,880.80-425,743.55

Finding the Fourth Proportional to 788,319.62, 1,087,880.80 and 425,743.55

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Solution

The fourth proportional to 788,319.62, 1,087,880.80 and 425,743.55 is: 587,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,319.62 : 1,087,880.80 = 425,743.55 : x
  2. Step 2: Convert to fraction form
    788,319.62/1,087,880.80 = 425,743.55/x
  3. Step 3: Cross multiply
    788,319.62x = 1,087,880.80 × 425,743.55
  4. Step 4: Simplify right side
    788,319.62x = 463,158,231,640.12
  5. Step 5: Solve for x
    x = 463,158,231,640.12/788,319.62
  6. Step 6: Final answer
    x = 587,525.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.