Home / 456,948.49-630,658.56-284,894.38

Finding the Fourth Proportional to 456,948.49, 630,658.56 and 284,894.38

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Solution

The fourth proportional to 456,948.49, 630,658.56 and 284,894.38 is: 393,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,948.49 : 630,658.56 = 284,894.38 : x
  2. Step 2: Convert to fraction form
    456,948.49/630,658.56 = 284,894.38/x
  3. Step 3: Cross multiply
    456,948.49x = 630,658.56 × 284,894.38
  4. Step 4: Simplify right side
    456,948.49x = 179,671,079,442.89
  5. Step 5: Solve for x
    x = 179,671,079,442.89/456,948.49
  6. Step 6: Final answer
    x = 393,197.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.