Home / 630,278.70-944,629.62-314,823.66

Finding the Fourth Proportional to 630,278.70, 944,629.62 and 314,823.66

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Solution

The fourth proportional to 630,278.70, 944,629.62 and 314,823.66 is: 471,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,278.70 : 944,629.62 = 314,823.66 : x
  2. Step 2: Convert to fraction form
    630,278.70/944,629.62 = 314,823.66/x
  3. Step 3: Cross multiply
    630,278.70x = 944,629.62 × 314,823.66
  4. Step 4: Simplify right side
    630,278.70x = 297,391,754,312.81
  5. Step 5: Solve for x
    x = 297,391,754,312.81/630,278.70
  6. Step 6: Final answer
    x = 471,841.67

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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.