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Finding the Fourth Proportional to 644,014.70, 967,058.85 and 486,421.10

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Solution

The fourth proportional to 644,014.70, 967,058.85 and 486,421.10 is: 730,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,014.70 : 967,058.85 = 486,421.10 : x
  2. Step 2: Convert to fraction form
    644,014.70/967,058.85 = 486,421.10/x
  3. Step 3: Cross multiply
    644,014.70x = 967,058.85 × 486,421.10
  4. Step 4: Simplify right side
    644,014.70x = 470,397,829,581.74
  5. Step 5: Solve for x
    x = 470,397,829,581.74/644,014.70
  6. Step 6: Final answer
    x = 730,414.74

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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.