Home / 779,435.70-1,168,910.55-306,266.10

Finding the Fourth Proportional to 779,435.70, 1,168,910.55 and 306,266.10

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Solution

The fourth proportional to 779,435.70, 1,168,910.55 and 306,266.10 is: 459,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,435.70 : 1,168,910.55 = 306,266.10 : x
  2. Step 2: Convert to fraction form
    779,435.70/1,168,910.55 = 306,266.10/x
  3. Step 3: Cross multiply
    779,435.70x = 1,168,910.55 × 306,266.10
  4. Step 4: Simplify right side
    779,435.70x = 357,997,675,397.36
  5. Step 5: Solve for x
    x = 357,997,675,397.36/779,435.70
  6. Step 6: Final answer
    x = 459,303.67

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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.