Home / 648,014.20-971,729.70-248,522.20

Finding the Fourth Proportional to 648,014.20, 971,729.70 and 248,522.20

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Solution

The fourth proportional to 648,014.20, 971,729.70 and 248,522.20 is: 372,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,014.20 : 971,729.70 = 248,522.20 : x
  2. Step 2: Convert to fraction form
    648,014.20/971,729.70 = 248,522.20/x
  3. Step 3: Cross multiply
    648,014.20x = 971,729.70 × 248,522.20
  4. Step 4: Simplify right side
    648,014.20x = 241,496,402,849.34
  5. Step 5: Solve for x
    x = 241,496,402,849.34/648,014.20
  6. Step 6: Final answer
    x = 372,671.47

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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.