Home / 784,902.10-1,177,439.55-286,374.10

Finding the Fourth Proportional to 784,902.10, 1,177,439.55 and 286,374.10

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Solution

The fourth proportional to 784,902.10, 1,177,439.55 and 286,374.10 is: 429,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,902.10 : 1,177,439.55 = 286,374.10 : x
  2. Step 2: Convert to fraction form
    784,902.10/1,177,439.55 = 286,374.10/x
  3. Step 3: Cross multiply
    784,902.10x = 1,177,439.55 × 286,374.10
  4. Step 4: Simplify right side
    784,902.10x = 337,188,191,435.66
  5. Step 5: Solve for x
    x = 337,188,191,435.66/784,902.10
  6. Step 6: Final answer
    x = 429,592.67

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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.