Home / 784,870.25-1,177,480.88-286,234.25

Finding the Fourth Proportional to 784,870.25, 1,177,480.88 and 286,234.25

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Solution

The fourth proportional to 784,870.25, 1,177,480.88 and 286,234.25 is: 429,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,870.25 : 1,177,480.88 = 286,234.25 : x
  2. Step 2: Convert to fraction form
    784,870.25/1,177,480.88 = 286,234.25/x
  3. Step 3: Cross multiply
    784,870.25x = 1,177,480.88 × 286,234.25
  4. Step 4: Simplify right side
    784,870.25x = 337,035,355,144.97
  5. Step 5: Solve for x
    x = 337,035,355,144.97/784,870.25
  6. Step 6: Final answer
    x = 429,415.38

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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.