Home / 784,888.25-1,177,507.88-286,252.25

Finding the Fourth Proportional to 784,888.25, 1,177,507.88 and 286,252.25

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Solution

The fourth proportional to 784,888.25, 1,177,507.88 and 286,252.25 is: 429,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,888.25 : 1,177,507.88 = 286,252.25 : x
  2. Step 2: Convert to fraction form
    784,888.25/1,177,507.88 = 286,252.25/x
  3. Step 3: Cross multiply
    784,888.25x = 1,177,507.88 × 286,252.25
  4. Step 4: Simplify right side
    784,888.25x = 337,064,278,611.47
  5. Step 5: Solve for x
    x = 337,064,278,611.47/784,888.25
  6. Step 6: Final answer
    x = 429,442.38

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Double scale
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Similar ratio
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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.